{"title":"Handheld pH and EC Meters","description":"\u003cp\u003eHandheld pH pens, EC meters, and combo testers for everyday hydroponic monitoring.\u003c\/p\u003e","products":[{"product_id":"ph-temperature-pen-digital-hydroponic-tester-australia","title":"Bluelab pH \u0026 Temperature Pen | Digital Hydroponic pH Tester Australia","description":"\u003cdiv class=\"quick-answer-box\"\u003e\n\u003ch2 class=\"quick-answer-title\"\u003eQuick Answer\u003c\/h2\u003e\n\u003cul class=\"quick-answer-list\"\u003e\n\u003cli\u003eCompact, high-accuracy pH and temperature readings with automatic temperature compensation.\u003c\/li\u003e\n\u003cli\u003eInstant readings directly from solution, no complex setup or calibration routine.\u003c\/li\u003e\n\u003cli\u003eBest suited to growers wanting a straightforward, reliable pH pen over a multi-parameter meter.\u003c\/li\u003e\n\u003cli\u003eShips fast from our Australian warehouse.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\n\u003ch2\u003eDigital pH \u0026amp; Temperature Pen, Waterproof Hydroponic pH Tester with ATC\u003c\/h2\u003e\u003cp\u003eThis digital pH and temperature pen is a compact, high-accuracy testing instrument designed for fast and reliable measurement of pH levels and solution temperature in hydroponic systems, nutrient reservoirs, and water sources.\u003c\/p\u003e\u003cp\u003eEngineered for durability and ease of use, the unit provides instant readings directly from solution, eliminating the need for complex testing procedures. Its fully waterproof construction ensures reliability in demanding grow environments, while automatic temperature compensation (ATC) maintains measurement accuracy across varying conditions.\u003c\/p\u003e\u003cp\u003eThe device features a simple two-point calibration system for precision control, making it suitable for both beginner and professional growers requiring consistent pH management for optimal nutrient uptake.\u003c\/p\u003e\u003ch3\u003eKey Benefits\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDigital pH and temperature measurement.\u003c\/strong\u003e Simultaneous pH and temperature readings from a single probe for fast, complete solution analysis.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFully waterproof construction.\u003c\/strong\u003e Submersible design built for reliable use in wet grow environments, not just splash-resistant.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAutomatic temperature compensation (ATC).\u003c\/strong\u003e Adjusts pH readings based on solution temperature to maintain accuracy across varying conditions.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFast, direct measurement.\u003c\/strong\u003e Submerge and read. No mixing, no test strips, no delays.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTwo-point calibration.\u003c\/strong\u003e Simple manual calibration process for precision control across the full pH range.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompact and portable.\u003c\/strong\u003e Handheld pen design for easy use across multiple reservoirs, tanks, and water sources.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eHow It Works\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSubmerge the probe into solution.\u003c\/strong\u003e Insert directly into nutrient solution, reservoir water, or any liquid sample.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSimultaneous pH and temperature sensing.\u003c\/strong\u003e The sensor measures both parameters at the same time for a complete reading.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eATC adjusts for temperature variation.\u003c\/strong\u003e Automatic temperature compensation corrects pH values in real time, eliminating temperature-induced measurement error.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstant display output.\u003c\/strong\u003e Results appear immediately on the digital screen for fast decision-making.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSystem Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFully waterproof body.\u003c\/strong\u003e Submersible construction rated for direct immersion in nutrient solutions and water samples.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIntegrated temperature measurement.\u003c\/strong\u003e Dual-function sensor eliminates the need for a separate thermometer.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eATC technology.\u003c\/strong\u003e Automatic temperature compensation ensures consistent accuracy regardless of solution temperature.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTwo-point manual calibration.\u003c\/strong\u003e Calibrate at two reference points for high precision across the measurement range.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAuto shut-off function.\u003c\/strong\u003e Extends battery life by powering down automatically when not in use.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBattery included.\u003c\/strong\u003e Ready to use out of the box with 1 x AAA battery supplied.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eApplications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eHydroponic nutrient reservoir pH testing Australia\u003c\/li\u003e\n\u003cli\u003eDigital pH meter for water quality monitoring\u003c\/li\u003e\n\u003cli\u003epH pen for nutrient solution management in DWC and recirculating systems\u003c\/li\u003e\n\u003cli\u003eAquarium and fish tank water pH testing\u003c\/li\u003e\n\u003cli\u003eSoil runoff and irrigation water pH measurement\u003c\/li\u003e\n\u003cli\u003eDrinking water and general water quality testing\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eCommon Use Cases\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHydroponic nutrient reservoir testing.\u003c\/strong\u003e Monitor and maintain optimal pH levels for maximum nutrient availability and plant uptake.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAquarium water quality monitoring.\u003c\/strong\u003e Ensure stable pH conditions for fish and aquatic plant health.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSoil runoff pH testing.\u003c\/strong\u003e Measure leachate pH to assess soil and growing media conditions.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDrinking water testing.\u003c\/strong\u003e Verify water quality for safe consumption and general household use.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWhat Sets It Apart\u003c\/h3\u003e\u003cp\u003eThis pH and temperature pen combines waterproof construction with automatic temperature compensation to deliver consistent, accurate readings across all growing conditions. Its compact form factor, fast response time, and simple calibration process make it an essential instrument for any grower managing nutrient solution pH on a regular basis.\u003c\/p\u003e\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMeasurement Type.\u003c\/strong\u003e pH and temperature (simultaneous)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCalibration.\u003c\/strong\u003e Two-point manual calibration\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTemperature Compensation.\u003c\/strong\u003e Automatic (ATC)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWaterproof Rating.\u003c\/strong\u003e Fully waterproof, submersible design\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower Supply.\u003c\/strong\u003e 1 x AAA battery (included)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAuto-Off Function.\u003c\/strong\u003e Yes, battery saving\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Weight.\u003c\/strong\u003e Approximately 0.1 to 0.2 kg\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePackaged Shipping Weight.\u003c\/strong\u003e Approximately 0.2 to 0.3 kg\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003ch3\u003eHow often should I calibrate Bluelab pH \u0026amp; Temperature Pen?\u003c\/h3\u003e\n\u003cp\u003epH meters should be calibrated before every use or at minimum every 2 to 3 days during active grows. EC meters are more stable but should be verified against a known reference solution weekly. Bluelab pH \u0026amp; Temperature Pen uses two-point calibration for pH (4.0 and 7.0 buffer solutions) and single-point calibration for EC (2.77 mS\/cm standard). Regular calibration is the single most important factor in measurement accuracy.\u003c\/p\u003e\n\u003ch3\u003eHow do I store Bluelab pH \u0026amp; Temperature Pen properly?\u003c\/h3\u003e\n\u003cp\u003eAlways store pH probes wet, never allow the probe tip to dry out as this permanently damages the glass membrane. Use the probe storage solution supplied with Bluelab pH \u0026amp; Temperature Pen or Bluelab KCl storage solution. EC probes are more robust but should also be rinsed with clean water after each use. Store Bluelab pH \u0026amp; Temperature Pen at room temperature away from direct sunlight.\u003c\/p\u003e\n\u003ch3\u003eWhat should I do if Bluelab pH \u0026amp; Temperature Pen is reading incorrectly?\u003c\/h3\u003e\n\u003cp\u003eFirst, recalibrate using fresh buffer solutions, old or contaminated calibration fluid is the most common cause of inaccurate readings. Rinse the probe thoroughly with deionised or distilled water between calibrations. If readings are still inconsistent after recalibration, check the probe for physical damage or contamination. Most probes have a service life of 12 to 18 months with proper care.\u003c\/p\u003e\n\u003ch3\u003eIs Bluelab pH \u0026amp; Temperature Pen waterproof?\u003c\/h3\u003e\n\u003cp\u003eCheck the IP rating listed in the product specifications. Most handheld meters are splash-proof but not designed for submersion. Take care when measuring in deep reservoirs to avoid dropping the unit. Bluelab pH \u0026amp; Temperature Pen is designed for hydroponic nutrient solution testing, it is not rated for outdoor or continuous immersion use.\u003c\/p\u003e\n\u003ch3\u003eDoes Bluelab pH \u0026amp; Temperature Pen ship fast within Australia?\u003c\/h3\u003e\n\u003cp\u003eYes, Bluelab pH \u0026amp; Temperature Pen ships from our Australian warehouse with fast tracked delivery Australia-wide. Most east coast orders arrive within 2 to 5 business days. WA, NT, and TAS orders typically arrive within 5 to 12 business days.\u003c\/p\u003e","brand":"Bluelab","offers":[{"title":"Default Title","offer_id":43187017383999,"sku":"PH-TEMP-PEN","price":144.95,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0658\/6898\/8479\/files\/bluelab-ph-pen_penph_1_ca33244f-b461-423f-8b19-2a6f7d9937ea.webp?v=1777436478"},{"product_id":"digital-ec-meter-conductivity-temperature-pen-australia","title":"Bluelab Digital EC Meter | Conductivity \u0026 Temperature Pen Hydroponics Australia","description":"\u003cdiv class=\"quick-answer-box\"\u003e\n\u003ch2 class=\"quick-answer-title\"\u003eQuick Answer\u003c\/h2\u003e\n\u003cul class=\"quick-answer-list\"\u003e\n\u003cli\u003ePrecision handheld EC and temperature readings for accurate nutrient strength measurement.\u003c\/li\u003e\n\u003cli\u003eBuilt for portability, fast and consistent readings across reservoirs and water sources.\u003c\/li\u003e\n\u003cli\u003eBest suited to growers wanting a dedicated EC pen alongside a separate pH meter.\u003c\/li\u003e\n\u003cli\u003eShips fast from our Australian warehouse.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\n\u003ch2\u003eDigital EC Meter, Conductivity \u0026amp; Temperature Pen for Hydroponic Nutrient Control\u003c\/h2\u003e\u003cp\u003eThis digital EC (electrical conductivity) and temperature pen is a precision handheld instrument designed for accurate measurement of nutrient strength in hydroponic systems, reservoirs, and water sources. Built for portability and reliability, it delivers fast, consistent readings essential for maintaining optimal nutrient concentration and plant performance.\u003c\/p\u003e\u003cp\u003eThe unit features a fully waterproof design, ensuring durability in demanding indoor grow environments. Its flat electrode sensor allows for easy cleaning and reduced maintenance, while selectable measurement units enable users to switch between EC, CF, and PPM based on preferred nutrient scales.\u003c\/p\u003e\u003cp\u003eAutomatic temperature compensation (ATC) ensures consistent accuracy across varying solution temperatures, while the hold function allows readings to be captured and reviewed with precision.\u003c\/p\u003e\u003ch3\u003eKey Benefits\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDigital EC and conductivity measurement.\u003c\/strong\u003e Accurate electrical conductivity readings for precise nutrient strength monitoring in hydroponic systems and water sources.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSelectable units: EC, CF, and PPM.\u003c\/strong\u003e Switch between measurement scales to match preferred nutrient management systems and feed charts.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFully waterproof construction.\u003c\/strong\u003e Submersible design built for continuous use in wet grow environments without risk of damage.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlat electrode for easy cleaning.\u003c\/strong\u003e Low-maintenance sensor design reduces fouling and extends the working life of the meter.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAutomatic temperature compensation (ATC).\u003c\/strong\u003e Corrects conductivity readings based on solution temperature for consistent accuracy across varying conditions.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHold function for precision reading capture.\u003c\/strong\u003e Freeze the display to record stable readings without the need to keep the probe submerged.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eHow It Works\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eInsert the probe into solution.\u003c\/strong\u003e Submerge directly into nutrient solution, reservoir water, or any liquid sample for immediate measurement.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConductivity and temperature measured simultaneously.\u003c\/strong\u003e The flat electrode sensor reads electrical conductivity while the integrated sensor captures solution temperature.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eATC corrects for temperature variation.\u003c\/strong\u003e Automatic temperature compensation adjusts EC values in real time to eliminate temperature-induced measurement error.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReal-time display output.\u003c\/strong\u003e Nutrient strength data appears instantly on the digital screen for fast, informed decision-making.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHold function captures stable readings.\u003c\/strong\u003e Lock the display at any point to record a reading without maintaining probe position.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSystem Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh-accuracy conductivity measurement.\u003c\/strong\u003e Precision EC sensing for reliable nutrient strength data across the full measurement range.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIntegrated temperature sensor.\u003c\/strong\u003e Dual-function measurement eliminates the need for a separate thermometer in the grow environment.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurable waterproof housing.\u003c\/strong\u003e Fully submersible construction rated for direct immersion in nutrient solutions and water samples.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEasy-clean flat electrode design.\u003c\/strong\u003e Flat sensor surface resists buildup and is simple to wipe clean between uses.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHold reading function.\u003c\/strong\u003e Captures and displays a stable reading for accurate recording and reference.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePortable handheld form factor.\u003c\/strong\u003e Compact pen design for easy use across multiple reservoirs, tanks, and irrigation systems.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBattery included.\u003c\/strong\u003e Ready to use immediately with 1 x AAA alkaline battery supplied.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eApplications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eHydroponic nutrient reservoir EC monitoring Australia\u003c\/li\u003e\n\u003cli\u003eConductivity meter for nutrient solution strength testing\u003c\/li\u003e\n\u003cli\u003eTDS meter for hydroponic grow systems\u003c\/li\u003e\n\u003cli\u003eWater quality and drinking water conductivity testing\u003c\/li\u003e\n\u003cli\u003eAquarium and aquaponics system monitoring\u003c\/li\u003e\n\u003cli\u003eFertigation and irrigation system calibration\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eCommon Use Cases\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHydroponic nutrient reservoir monitoring.\u003c\/strong\u003e Measure and maintain optimal EC levels for maximum nutrient availability and plant uptake across all growth stages.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWater quality and drinking water testing.\u003c\/strong\u003e Verify conductivity levels for safe consumption and general water quality assessment.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAquarium and aquaponics systems.\u003c\/strong\u003e Monitor dissolved solids and conductivity to maintain stable aquatic environments.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFertigation and irrigation calibration.\u003c\/strong\u003e Confirm nutrient solution strength before application to ensure consistent feed delivery.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWhat Sets It Apart\u003c\/h3\u003e\u003cp\u003eThis EC meter is engineered for precision nutrient management, combining conductivity and temperature measurement with automatic temperature compensation to ensure consistent, reliable readings. Its low-maintenance flat electrode and fully waterproof design make it suitable for continuous use in hydroponic environments, delivering the accuracy required for professional nutrient control without the complexity of laboratory-grade instruments.\u003c\/p\u003e\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMeasurement Type.\u003c\/strong\u003e Electrical conductivity (EC), TDS\/PPM, and temperature (simultaneous)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMeasurement Units.\u003c\/strong\u003e EC, CF, and PPM selectable\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTemperature Compensation.\u003c\/strong\u003e Automatic (ATC)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eElectrode Type.\u003c\/strong\u003e Flat sensor for easy cleaning\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWaterproof Rating.\u003c\/strong\u003e Fully waterproof, submersible design\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower Supply.\u003c\/strong\u003e 1 x AAA alkaline battery (included)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAuto-Off Function.\u003c\/strong\u003e Yes, battery saving\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Weight.\u003c\/strong\u003e Approximately 0.1 to 0.2 kg\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePackaged Shipping Weight.\u003c\/strong\u003e Approximately 0.2 to 0.3 kg\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003ch3\u003eHow often should I calibrate Bluelab Digital EC Meter?\u003c\/h3\u003e\n\u003cp\u003epH meters should be calibrated before every use or at minimum every 2 to 3 days during active grows. EC meters are more stable but should be verified against a known reference solution weekly. Bluelab Digital EC Meter uses two-point calibration for pH (4.0 and 7.0 buffer solutions) and single-point calibration for EC (2.77 mS\/cm standard). Regular calibration is the single most important factor in measurement accuracy.\u003c\/p\u003e\n\u003ch3\u003eHow do I store Bluelab Digital EC Meter properly?\u003c\/h3\u003e\n\u003cp\u003eAlways store pH probes wet, never allow the probe tip to dry out as this permanently damages the glass membrane. Use the probe storage solution supplied with Bluelab Digital EC Meter or Bluelab KCl storage solution. EC probes are more robust but should also be rinsed with clean water after each use. Store Bluelab Digital EC Meter at room temperature away from direct sunlight.\u003c\/p\u003e\n\u003ch3\u003eWhat should I do if Bluelab Digital EC Meter is reading incorrectly?\u003c\/h3\u003e\n\u003cp\u003eFirst, recalibrate using fresh buffer solutions, old or contaminated calibration fluid is the most common cause of inaccurate readings. Rinse the probe thoroughly with deionised or distilled water between calibrations. If readings are still inconsistent after recalibration, check the probe for physical damage or contamination. Most probes have a service life of 12 to 18 months with proper care.\u003c\/p\u003e\n\u003ch3\u003eIs Bluelab Digital EC Meter waterproof?\u003c\/h3\u003e\n\u003cp\u003eCheck the IP rating listed in the product specifications. Most handheld meters are splash-proof but not designed for submersion. Take care when measuring in deep reservoirs to avoid dropping the unit. Bluelab Digital EC Meter is designed for hydroponic nutrient solution testing, it is not rated for outdoor or continuous immersion use.\u003c\/p\u003e\n\u003ch3\u003eDoes Bluelab Digital EC Meter ship fast within Australia?\u003c\/h3\u003e\n\u003cp\u003eYes, Bluelab Digital EC Meter ships from our Australian warehouse with fast tracked delivery Australia-wide. Most east coast orders arrive within 2 to 5 business days. WA, NT, and TAS orders typically arrive within 5 to 12 business days.\u003c\/p\u003e","brand":"Bluelab","offers":[{"title":"Default Title","offer_id":43187318718527,"sku":"EC-METER-PEN","price":144.95,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0658\/6898\/8479\/files\/BLECPEN-Bluelab-EC-Pen_1000x1000_Grey-600x600_1.png?v=1777436895"},{"product_id":"heavy-duty-ec-meter-waterproof-conductivity-tester-australia","title":"Heavy Duty EC Meter Waterproof | Digital Conductivity Tester Hydroponics Australia","description":"\u003cdiv class=\"quick-answer-box\"\u003e\n\u003ch2 class=\"quick-answer-title\"\u003eQuick Answer\u003c\/h2\u003e\n\u003cul class=\"quick-answer-list\"\u003e\n\u003cli\u003eWaterproof, robust construction built for long-life conductivity measurement.\u003c\/li\u003e\n\u003cli\u003eNo calibration required for operation, where reliability and low maintenance genuinely matter.\u003c\/li\u003e\n\u003cli\u003eBest suited to professional and high-use environments over a delicate lab-style meter.\u003c\/li\u003e\n\u003cli\u003eShips fast from our Australian warehouse.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\n\u003ch2\u003eHeavy Duty EC Meter. Waterproof Conductivity Tester for Hydroponic Nutrient Control\u003c\/h2\u003e\n\u003cp\u003eThis heavy-duty EC (electrical conductivity) meter is a robust, long-life instrument designed for accurate measurement of nutrient strength in hydroponic systems, reservoirs, and water sources. Built for durability and simplicity, it provides consistent conductivity readings without the need for calibration, making it ideal for both professional and high-frequency use.\u003c\/p\u003e\n\u003cp\u003eThe unit measures across multiple conductivity scales, including EC, CF, and PPM (500 and 700 conversion factors), allowing precise monitoring of nutrient concentration across different growing standards. Its extended measurement range ensures compatibility with a wide variety of nutrient regimes.\u003c\/p\u003e\n\u003cp\u003eDesigned with a long-format body, the meter allows simultaneous mixing and measurement directly within reservoirs, improving workflow efficiency. Automatic liquid detection activates bright LED indicators, providing immediate visual feedback for simple, error-free operation.\u003c\/p\u003e\n\u003cp\u003eFully waterproof and engineered for extreme durability, the device can be submerged during use without compromising performance, making it suitable for demanding indoor grow environments and commercial hydroponic systems.\u003c\/p\u003e\n\u003ch3\u003eKey Benefits\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli style=\"font-style: italic;\"\u003e\u003cem\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eNo calibration required.\u003c\/strong\u003e Simplified operation with consistent accuracy straight out of the box, reducing maintenance time and user error.\u003c\/span\u003e\u003c\/em\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMulti-scale conductivity measurement.\u003c\/strong\u003e Reads EC, CF, PPM 500, and PPM 700 to suit all common nutrient management systems and feed charts.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFully waterproof construction.\u003c\/strong\u003e Submersible design rated for direct immersion in nutrient solutions and reservoir water without performance loss.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLong-format probe for reservoir access.\u003c\/strong\u003e Extended body allows simultaneous mixing and measurement directly within deep reservoirs for improved workflow.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAutomatic liquid detection.\u003c\/strong\u003e Sensor activates on contact with solution, triggering LED indicators for immediate, clear conductivity feedback.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIndustry-leading 5-year warranty.\u003c\/strong\u003e Built for long-term professional use with manufacturer-backed reliability.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eHow It Works\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eInsert the meter into nutrient solution.\u003c\/strong\u003e Submerge the probe directly into the reservoir or water sample for immediate measurement.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAutomatic liquid detection activates the reading.\u003c\/strong\u003e The sensor detects contact with solution and initiates the conductivity measurement without manual input.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLED indicators display conductivity level.\u003c\/strong\u003e Bright LED feedback provides a clear, instant visual reference for nutrient strength across selected scales.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNo calibration required for continued accuracy.\u003c\/strong\u003e The meter maintains reliable readings across its full working life without periodic recalibration.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRemove and clean after use.\u003c\/strong\u003e Rinse the probe after each session to maintain sensor performance and extend product life.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSystem Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurable construction for long-term reliability.\u003c\/strong\u003e Heavy-duty housing engineered for frequent professional use in demanding grow environments.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMulti-scale conductivity measurement.\u003c\/strong\u003e EC, CF, PPM 500, and PPM 700 selectable for compatibility with all major nutrient systems.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFully waterproof for immersion use.\u003c\/strong\u003e Submersible design allows direct reservoir measurement without risk of damage.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAutomatic sensing and LED feedback.\u003c\/strong\u003e Liquid detection triggers instant visual conductivity indication for fast, error-free readings.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExtended probe for deep reservoir access.\u003c\/strong\u003e Long-format body reaches into large reservoirs for direct in-situ measurement.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEasy to clean and disinfect.\u003c\/strong\u003e Smooth probe surface resists buildup and is simple to rinse between uses.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIndustry-leading 5-year warranty.\u003c\/strong\u003e \u003cstrong\u003eBacked by manufacturer warranty for professional and commercial applications.\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eMeasurement Range\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eEC.\u003c\/strong\u003e Up to 3.6 EC\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCF.\u003c\/strong\u003e Up to 36 CF\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePPM 500 (TDS).\u003c\/strong\u003e Up to 1800 ppm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePPM 700.\u003c\/strong\u003e Up to 2520 ppm\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eHeavy duty EC meter for hydroponic nutrient reservoir testing Australia\u003c\/li\u003e\n\u003cli\u003eProfessional conductivity tester for commercial grow operations\u003c\/li\u003e\n\u003cli\u003eWaterproof EC meter for frequent monitoring environments\u003c\/li\u003e\n\u003cli\u003eNo-calibration conductivity meter for low-maintenance grow setups\u003c\/li\u003e\n\u003cli\u003eMulti-scale nutrient strength tester for indoor growing systems\u003c\/li\u003e\n\u003cli\u003eLong-probe EC meter for deep reservoir access and in-situ measurement\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eIdeal For\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHydroponic nutrient reservoir testing.\u003c\/strong\u003e Monitor and maintain optimal EC levels for maximum nutrient availability across all growth stages.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCommercial grow operations.\u003c\/strong\u003e Durable construction and no-calibration design suit high-frequency professional use environments.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFrequent monitoring environments.\u003c\/strong\u003e Built for repeated daily use without performance degradation or maintenance overhead.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGrowers needing low-maintenance testing tools.\u003c\/strong\u003e Eliminates calibration requirements for a simpler, faster testing workflow.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhat Sets It Apart\u003c\/h3\u003e\n\u003cp\u003eThis EC meter is engineered for maximum durability and operational simplicity, eliminating calibration requirements while maintaining accurate multi-scale readings. Its rugged waterproof design, extended probe format, and 5-year warranty make it the preferred choice for continuous use in hydroponic reservoirs and commercial grow environments where reliability and low maintenance genuinely matter.\u003c\/p\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMeasurement Type.\u003c\/strong\u003e Electrical conductivity (EC), CF, PPM 500, PPM 700\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCalibration.\u003c\/strong\u003e Not required\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDetection System.\u003c\/strong\u003e Automatic liquid sensing\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDisplay Type.\u003c\/strong\u003e LED indicator system\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWaterproof Rating.\u003c\/strong\u003e Fully waterproof, submersible design\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDesign.\u003c\/strong\u003e Long-format probe for deep reservoir access\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty.\u003c\/strong\u003e 5 years\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Weight.\u003c\/strong\u003e Approximately 0.2 to 0.3 kg\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePackaged Shipping Weight.\u003c\/strong\u003e Approximately 0.3 to 0.5 kg\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003ch3\u003eHow often should I calibrate Heavy Duty EC Meter Waterproof?\u003c\/h3\u003e\n\u003cp\u003epH meters should be calibrated before every use or at minimum every 2 to 3 days during active grows. EC meters are more stable but should be verified against a known reference solution weekly. Heavy Duty EC Meter Waterproof uses two-point calibration for pH (4.0 and 7.0 buffer solutions) and single-point calibration for EC (2.77 mS\/cm standard). Regular calibration is the single most important factor in measurement accuracy.\u003c\/p\u003e\n\u003ch3\u003eHow do I store Heavy Duty EC Meter Waterproof properly?\u003c\/h3\u003e\n\u003cp\u003eAlways store pH probes wet, never allow the probe tip to dry out as this permanently damages the glass membrane. Use the probe storage solution supplied with Heavy Duty EC Meter Waterproof or Bluelab KCl storage solution. EC probes are more robust but should also be rinsed with clean water after each use. Store Heavy Duty EC Meter Waterproof at room temperature away from direct sunlight.\u003c\/p\u003e\n\u003ch3\u003eWhat should I do if Heavy Duty EC Meter Waterproof is reading incorrectly?\u003c\/h3\u003e\n\u003cp\u003eFirst, recalibrate using fresh buffer solutions, old or contaminated calibration fluid is the most common cause of inaccurate readings. Rinse the probe thoroughly with deionised or distilled water between calibrations. If readings are still inconsistent after recalibration, check the probe for physical damage or contamination. Most probes have a service life of 12 to 18 months with proper care.\u003c\/p\u003e\n\u003ch3\u003eIs Heavy Duty EC Meter Waterproof waterproof?\u003c\/h3\u003e\n\u003cp\u003eCheck the IP rating listed in the product specifications. Most handheld meters are splash-proof but not designed for submersion. Take care when measuring in deep reservoirs to avoid dropping the unit. Heavy Duty EC Meter Waterproof is designed for hydroponic nutrient solution testing, it is not rated for outdoor or continuous immersion use.\u003c\/p\u003e\n\u003ch3\u003eDoes Heavy Duty EC Meter Waterproof ship fast within Australia?\u003c\/h3\u003e\n\u003cp\u003eYes, Heavy Duty EC Meter Waterproof ships from our Australian warehouse with fast tracked delivery Australia-wide. Most east coast orders arrive within 2 to 5 business days. WA, NT, and TAS orders typically arrive within 5 to 12 business days.\u003c\/p\u003e","brand":"Bluelab","offers":[{"title":"Default Title","offer_id":43187477348415,"sku":"HEAVY-DUTY-EC","price":194.95,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0658\/6898\/8479\/files\/TRUN-Bluelab-Truncheon_1000x1000_Grey-600x600.png?v=1777437101"},{"product_id":"bluelab-ph-ec-temperature-meter-bluetooth-australia","title":"Bluelab pH EC Temperature Meter Bluetooth | 3-in-1 Hydroponic Tester Australia","description":"\u003cdiv class=\"quick-answer-box\"\u003e\n\u003ch2 class=\"quick-answer-title\"\u003eQuick Answer\u003c\/h2\u003e\n\u003cul class=\"quick-answer-list\"\u003e\n\u003cli\u003eMeasures pH, EC, and temperature simultaneously in a single probe insertion, with 0.01 pH resolution and IP68 waterproof construction.\u003c\/li\u003e\n\u003cli\u003eReplaceable double-junction pH probe and titanium EC electrodes, backed by Bluelab's reputation for accuracy and long-term reliability.\u003c\/li\u003e\n\u003cli\u003eBluetooth connectivity via the Edenic by Bluelab app suits growers who want remote monitoring and historical trend tracking, not just a basic handheld reading.\u003c\/li\u003e\n\u003cli\u003eShips fast from our Australian warehouse, with most east coast orders arriving in 2 to 5 business days.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\n\u003ch2\u003eBluelab pH, EC \u0026amp; Temperature Meter. 3-in-1 Bluetooth Hydroponic Testing Tool\u003c\/h2\u003e\n\u003cp\u003eThe Bluelab 3-in-1 Meter is a precision handheld instrument designed for accurate measurement of pH, electrical conductivity (EC), and temperature in hydroponic nutrient solutions. Engineered for reliability and ease of use, it provides simultaneous readings to optimise nutrient uptake and maintain stable growing conditions.\u003c\/p\u003e\n\u003cp\u003eEquipped with \u003cstrong\u003eBluetooth connectivity\u003c\/strong\u003e, the meter integrates with the Edenic by Bluelab app, enabling real-time data sharing, remote monitoring, and system updates. This allows growers to track performance trends and make data-driven adjustments to nutrient management.\u003c\/p\u003e\n\u003cp\u003eThe unit features a replaceable double-junction pH probe for extended lifespan and contamination resistance, alongside durable titanium EC electrodes for accurate conductivity measurement. A high-resolution backlit display provides clear, simultaneous readings of pH and EC, improving workflow efficiency.\u003c\/p\u003e\n\u003cp\u003eWith IP68-rated waterproof construction, the device is designed for full submersion and long-term use in demanding grow environments.\u003c\/p\u003e\n\u003ch3\u003eKey Benefits\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e3-in-1 simultaneous measurement.\u003c\/strong\u003e Measures pH, electrical conductivity (EC), and temperature in a single probe insertion for fast, complete solution analysis.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBluetooth connectivity via Edenic by Bluelab app.\u003c\/strong\u003e Transmits live readings to mobile or browser for remote monitoring, trend tracking, and firmware updates.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReplaceable double-junction pH probe.\u003c\/strong\u003e Extended lifespan and contamination resistance compared to standard single junction electrodes, with straightforward field replacement.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTitanium EC electrodes for accuracy.\u003c\/strong\u003e Durable, corrosion-resistant conductivity sensors maintain measurement precision across long-term use.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIP68 waterproof rating.\u003c\/strong\u003e Fully submersible construction rated for direct immersion in nutrient solutions and reservoir water.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e0.01 pH resolution.\u003c\/strong\u003e High-accuracy pH measurement for precise nutrient solution management across all growth stages.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eHow It Works\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSubmerge the probe into nutrient solution.\u003c\/strong\u003e Insert directly into the reservoir, nutrient mix, or water sample for immediate simultaneous measurement.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSensor measures pH, EC, and temperature simultaneously.\u003c\/strong\u003e All three parameters are captured in a single reading for fast, efficient solution assessment.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eData displayed instantly on backlit screen.\u003c\/strong\u003e Dual readings appear on the high-resolution LCD for immediate on-site reference without app dependency.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBluetooth transmits readings to the Edenic app.\u003c\/strong\u003e Live data is streamed to the mobile app for remote access, historical logging, and performance tracking.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHistorical data used for optimisation and tracking.\u003c\/strong\u003e Logged readings enable trend analysis and data-driven adjustments to nutrient management schedules.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSmart Monitoring with Edenic by Bluelab\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eView measurements remotely via mobile or browser.\u003c\/strong\u003e Access live pH, EC, and temperature data from any location connected to the Edenic platform.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReal-time data updates.\u003c\/strong\u003e Readings are transmitted instantly via Bluetooth for up-to-date solution monitoring without manual logging.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTrack performance trends over time.\u003c\/strong\u003e Historical data logging enables growers to identify patterns and optimise feeding schedules for improved yields.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReceive firmware updates and improvements.\u003c\/strong\u003e Bluetooth connectivity enables over-the-air updates to keep the meter performing at its best.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSystem Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSimultaneous pH and EC readings.\u003c\/strong\u003e Dual-parameter display reduces testing time and improves workflow efficiency in the grow environment.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh-accuracy 0.01 pH resolution.\u003c\/strong\u003e Precision measurement for reliable nutrient solution management across vegetative and flowering stages.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProbe health indicator.\u003c\/strong\u003e Built-in maintenance tracking alerts growers when the pH probe requires cleaning, calibration, or replacement.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompact ergonomic handheld design.\u003c\/strong\u003e Lightweight form factor for easy single-handed use across multiple reservoirs and grow system locations.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e2-point pH calibration.\u003c\/strong\u003e Simple calibration process for precision control across the full pH measurement range.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSelectable conductivity units.\u003c\/strong\u003e Reads EC, mS\/cm, CF, PPM 500 (TDS), and PPM 700 to suit all common nutrient management systems.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSelectable temperature units.\u003c\/strong\u003e Displays in both Celsius and Fahrenheit for flexible use across different growing standards.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIP68 waterproof construction.\u003c\/strong\u003e Fully submersible design for reliable performance in wet grow environments.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eMeasurement Capabilities\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003epH Resolution.\u003c\/strong\u003e 0.01 accuracy\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConductivity Units.\u003c\/strong\u003e EC, mS\/cm, CF, PPM 500 (TDS), PPM 700\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTemperature Units.\u003c\/strong\u003e Celsius and Fahrenheit\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eBluelab 3-in-1 pH EC temperature meter for hydroponic nutrient testing Australia\u003c\/li\u003e\n\u003cli\u003eBluetooth pH and conductivity meter for remote monitoring via Edenic app\u003c\/li\u003e\n\u003cli\u003eSimultaneous pH and EC measurement for recirculating and DWC systems\u003c\/li\u003e\n\u003cli\u003ePortable hydroponic water testing device for grow rooms and tents\u003c\/li\u003e\n\u003cli\u003eDigital nutrient solution tester for professional and commercial growers\u003c\/li\u003e\n\u003cli\u003eWaterproof pH EC meter for frequent-use indoor growing environments\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eRecommended With\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003epH calibration solutions (4.0 and 7.0).\u003c\/strong\u003e Required for accurate 2-point probe calibration before use and during regular maintenance intervals.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eKCl storage solution.\u003c\/strong\u003e Maintains double-junction pH probe hydration during storage to preserve sensor accuracy and extend working life.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBluelab pH Controller.\u003c\/strong\u003e Pairs with this meter for fully automated pH dosing and continuous reservoir management.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhat Sets It Apart\u003c\/h3\u003e\n\u003cp\u003eThe Bluelab 3-in-1 Meter combines precision measurement, smart Bluetooth connectivity, and IP68 waterproof durability in a single handheld device. Its integration with the Edenic by Bluelab app enables real-time data tracking and remote monitoring, while the replaceable double-junction probe and titanium EC electrodes ensure long-term accuracy and reliability for professional hydroponic nutrient management.\u003c\/p\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMeasurement Parameters.\u003c\/strong\u003e pH, electrical conductivity (EC), and temperature (simultaneous)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnectivity.\u003c\/strong\u003e Bluetooth, Edenic by Bluelab app compatible\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003epH Probe.\u003c\/strong\u003e Replaceable double-junction electrode\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEC Sensor.\u003c\/strong\u003e Titanium electrodes\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDisplay.\u003c\/strong\u003e Backlit LCD with dual simultaneous readings\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003epH Resolution.\u003c\/strong\u003e 0.01\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCalibration.\u003c\/strong\u003e 2-point pH calibration\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConductivity Units.\u003c\/strong\u003e EC, mS\/cm, CF, PPM 500 (TDS), PPM 700\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTemperature Units.\u003c\/strong\u003e Celsius and Fahrenheit\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWaterproof Rating.\u003c\/strong\u003e IP68, fully submersible\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Weight.\u003c\/strong\u003e Approximately 0.3 to 0.5 kg\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePackaged Shipping Weight.\u003c\/strong\u003e Approximately 0.5 to 0.8 kg\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003ch3\u003eHow often should I calibrate Bluelab pH EC Temperature Meter Bluetooth?\u003c\/h3\u003e\n\u003cp\u003epH meters should be calibrated before every use or at minimum every 2 to 3 days during active grows. EC meters are more stable but should be verified against a known reference solution weekly. Bluelab pH EC Temperature Meter Bluetooth uses two-point calibration for pH (4.0 and 7.0 buffer solutions) and single-point calibration for EC (2.77 mS\/cm standard). Regular calibration is the single most important factor in measurement accuracy.\u003c\/p\u003e\n\u003ch3\u003eHow do I store Bluelab pH EC Temperature Meter Bluetooth properly?\u003c\/h3\u003e\n\u003cp\u003eAlways store pH probes wet. Never allow the probe tip to dry out, as this permanently damages the glass membrane. Use the probe storage solution supplied with Bluelab pH EC Temperature Meter Bluetooth or Bluelab KCl storage solution. EC probes are more robust but should also be rinsed with clean water after each use. Store Bluelab pH EC Temperature Meter Bluetooth at room temperature away from direct sunlight.\u003c\/p\u003e\n\u003ch3\u003eWhat should I do if Bluelab pH EC Temperature Meter Bluetooth is reading incorrectly?\u003c\/h3\u003e\n\u003cp\u003eFirst, recalibrate using fresh buffer solutions, since old or contaminated calibration fluid is the most common cause of inaccurate readings. Rinse the probe thoroughly with deionised or distilled water between calibrations. If readings are still inconsistent after recalibration, check the probe for physical damage or contamination. Most probes have a service life of 12 to 18 months with proper care.\u003c\/p\u003e\n\u003ch3\u003eIs Bluelab pH EC Temperature Meter Bluetooth waterproof?\u003c\/h3\u003e\n\u003cp\u003eCheck the IP rating listed in the product specifications. Most handheld meters are splash-proof but not designed for submersion. Take care when measuring in deep reservoirs to avoid dropping the unit. Bluelab pH EC Temperature Meter Bluetooth is designed for hydroponic nutrient solution testing. It is not rated for outdoor or continuous immersion use.\u003c\/p\u003e\n\u003ch3\u003eDoes Bluelab pH EC Temperature Meter Bluetooth ship fast within Australia?\u003c\/h3\u003e\n\u003cp\u003eYes, Bluelab pH EC Temperature Meter Bluetooth ships from our Australian warehouse with fast tracked delivery Australia-wide. Most east coast orders arrive within 2 to 5 business days. WA, NT, and TAS orders typically arrive within 5 to 12 business days.\u003c\/p\u003e","brand":"Bluelab","offers":[{"title":"Default Title","offer_id":43188302184511,"sku":"BLUELAB-3IN1-METER","price":384.95,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0658\/6898\/8479\/files\/Bluelab-One-Pen.png?v=1777438273"},{"product_id":"bluelab-soil-ph-pen-soil-coco-ph-tester-australia","title":"Bluelab Soil pH Pen | Soil \u0026 Coco pH Temperature Tester Australia Waterproof","description":"\u003cdiv class=\"quick-answer-box\"\u003e\n\u003ch2 class=\"quick-answer-title\"\u003eQuick Answer\u003c\/h2\u003e\n\u003cul class=\"quick-answer-list\"\u003e\n\u003cli\u003eMeasures pH and temperature directly in soil, coco coir and rockwool, without traditional slurry testing.\u003c\/li\u003e\n\u003cli\u003eDouble-junction probe reduces contamination and extends probe lifespan versus standard single-junction electrodes.\u003c\/li\u003e\n\u003cli\u003eBest suited to growers who want in-media readings rather than a runoff or reservoir-only pH check.\u003c\/li\u003e\n\u003cli\u003eWaterproof construction with backlit display, suited to both indoor grow rooms and outdoor use.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\n\u003ch2\u003eBluelab Soil pH Pen. Direct Root Zone pH \u0026amp; Temperature Measurement Tool\u003c\/h2\u003e\n\u003cp\u003eThe Bluelab Soil pH Pen is a precision handheld instrument designed for direct measurement of pH and temperature in soil, coco coir, rockwool, and nutrient solutions. Engineered to eliminate traditional slurry testing methods, it provides fast, accurate readings directly at the root zone, improving nutrient management and plant health.\u003c\/p\u003e\n\u003cp\u003eFeaturing a double-junction pH probe, the device delivers stable and reliable measurements while reducing contamination and extending probe lifespan. The integrated temperature sensor allows simultaneous monitoring, ensuring optimal growing conditions across varying environments.\u003c\/p\u003e\n\u003cp\u003eA dual-purpose storage cap and dibber enables easy insertion into media, allowing consistent and repeatable root zone measurements without disturbing plant structure. The probe is kept hydrated using a KCl-filled storage system, maintaining accuracy over time.\u003c\/p\u003e\n\u003cp\u003eWith a waterproof construction and backlit display, the Soil pH Pen is designed for practical use in both indoor grow rooms and outdoor environments.\u003c\/p\u003e\n\u003ch3\u003eKey Benefits\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDirect root zone pH measurement without slurry testing.\u003c\/strong\u003e Eliminates the inaccuracy and time cost of traditional slurry or pour-through methods by measuring pH directly in the growing media.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSimultaneous pH and temperature measurement.\u003c\/strong\u003e Integrated temperature sensor captures both parameters in a single insertion for complete root zone condition monitoring.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDouble-junction pH probe for accuracy and longevity.\u003c\/strong\u003e Reduces reference contamination and extends probe working life compared to standard single junction electrodes.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSuitable for soil, coco, rockwool, and nutrient solutions.\u003c\/strong\u003e Versatile measurement capability across the most common hydroponic and soil-based growing media.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDual-purpose storage cap and dibber.\u003c\/strong\u003e The storage cap doubles as a dibber for easy, consistent probe insertion into growing media without disturbing root structure.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFully waterproof construction.\u003c\/strong\u003e Durable housing rated for use in wet grow environments with a backlit display for clear readings in all lighting conditions.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eHow It Works\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eInsert the probe directly into soil or growing media.\u003c\/strong\u003e Use the dibber cap to create a clean insertion point, then push the probe to the root zone for direct measurement.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSensor measures pH and temperature simultaneously.\u003c\/strong\u003e The double-junction electrode and integrated temperature sensor capture both parameters instantly at the point of insertion.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReadings displayed instantly on the backlit screen.\u003c\/strong\u003e pH and temperature values appear immediately for fast, on-site assessment without app dependency.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eKCl storage cap maintains probe hydration between uses.\u003c\/strong\u003e The filled storage cap keeps the double-junction electrode hydrated during storage, preserving sensor accuracy over time.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e2-point calibration with 30-day reminder.\u003c\/strong\u003e Simple calibration process with a built-in reminder function ensures the probe maintains accuracy across regular use cycles.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSystem Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDual-purpose storage cap and dibber.\u003c\/strong\u003e Serves as both a probe insertion tool and a KCl-filled storage cap for convenient, all-in-one field use.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDouble-junction pH electrode.\u003c\/strong\u003e Reduces contamination of the reference solution and extends probe lifespan beyond standard single junction designs.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIntegrated temperature sensor.\u003c\/strong\u003e Simultaneous temperature measurement eliminates the need for a separate thermometer in the grow environment.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBacklit LCD display.\u003c\/strong\u003e Clear, readable output in all lighting conditions including low-light grow rooms and outdoor environments.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e2-point calibration with reminder.\u003c\/strong\u003e Calibration reminder function prompts growers at 30-day intervals to maintain measurement accuracy.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFully waterproof housing.\u003c\/strong\u003e Durable construction for reliable performance in wet and humid grow environments.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompact ergonomic handheld design.\u003c\/strong\u003e Lightweight and portable for easy use across multiple plants, containers, and grow sites.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eMeasurement Capabilities\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003epH Measurement.\u003c\/strong\u003e Accurate direct root zone pH readings in soil, coco coir, rockwool, and nutrient solutions.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTemperature Measurement.\u003c\/strong\u003e Integrated sensor captures root zone environmental temperature for complete growing media condition monitoring.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eBluelab Soil pH Pen for direct root zone pH testing in soil and coco Australia\u003c\/li\u003e\n\u003cli\u003eDigital soil pH meter for hydroponic substrate and growing media testing\u003c\/li\u003e\n\u003cli\u003eCoco coir pH tester for recirculating and run-to-waste hydroponic systems\u003c\/li\u003e\n\u003cli\u003eRoot zone pH sensor for precision nutrient management in indoor growing\u003c\/li\u003e\n\u003cli\u003eSoil and substrate pH measurement device for commercial and hobby growers\u003c\/li\u003e\n\u003cli\u003eWaterproof pH and temperature pen for grow rooms and outdoor growing environments\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eIdeal For\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSoil and coco growers.\u003c\/strong\u003e Direct substrate measurement eliminates slurry testing and provides accurate root zone pH data for precise nutrient management.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRoot zone nutrient management.\u003c\/strong\u003e Real-time pH data at the root zone enables growers to identify and correct nutrient lockout conditions before they affect plant health.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHydroponic and mixed media systems.\u003c\/strong\u003e Compatible with soil, coco coir, rockwool, and nutrient solutions for versatile use across multiple growing methods.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrecision agriculture and indoor growing.\u003c\/strong\u003e Accurate, repeatable measurements support data-driven growing decisions for improved consistency and yield.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhat Sets It Apart\u003c\/h3\u003e\n\u003cp\u003eThe Bluelab Soil pH Pen is engineered for direct root zone analysis, eliminating inaccurate slurry testing and providing real-time pH and temperature insights at the point of measurement. Its double-junction probe, KCl storage system, and dual-purpose dibber cap make it a practical, accurate, and durable tool for precision nutrient management across soil, coco, and hydroponic growing systems.\u003c\/p\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMeasurement Parameters.\u003c\/strong\u003e pH and temperature (simultaneous)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003epH Probe.\u003c\/strong\u003e Double-junction electrode\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCalibration.\u003c\/strong\u003e 2-point calibration with 30-day reminder\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDisplay.\u003c\/strong\u003e Backlit LCD\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWaterproof Rating.\u003c\/strong\u003e Fully waterproof\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStorage System.\u003c\/strong\u003e KCl-filled dual-purpose cap and dibber\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatible Media.\u003c\/strong\u003e Soil, coco coir, rockwool, and nutrient solutions\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Weight.\u003c\/strong\u003e Approximately 0.3 to 0.4 kg\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePackaged Shipping Weight.\u003c\/strong\u003e Approximately 0.5 to 0.7 kg\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003ch3\u003eHow often should I calibrate Bluelab Soil pH Pen?\u003c\/h3\u003e\n\u003cp\u003epH meters should be calibrated before every use or at minimum every 2 to 3 days during active grows. EC meters are more stable but should be verified against a known reference solution weekly. Bluelab Soil pH Pen uses two-point calibration for pH (4.0 and 7.0 buffer solutions) and single-point calibration for EC (2.77 mS\/cm standard). Regular calibration is the single most important factor in measurement accuracy.\u003c\/p\u003e\n\u003ch3\u003eHow do I store Bluelab Soil pH Pen properly?\u003c\/h3\u003e\n\u003cp\u003eAlways store pH probes wet, never allow the probe tip to dry out as this permanently damages the glass membrane. Use the probe storage solution supplied with Bluelab Soil pH Pen or Bluelab KCl storage solution. EC probes are more robust but should also be rinsed with clean water after each use. Store Bluelab Soil pH Pen at room temperature away from direct sunlight.\u003c\/p\u003e\n\u003ch3\u003eWhat should I do if Bluelab Soil pH Pen is reading incorrectly?\u003c\/h3\u003e\n\u003cp\u003eFirst, recalibrate using fresh buffer solutions, old or contaminated calibration fluid is the most common cause of inaccurate readings. Rinse the probe thoroughly with deionised or distilled water between calibrations. If readings are still inconsistent after recalibration, check the probe for physical damage or contamination. Most probes have a service life of 12 to 18 months with proper care.\u003c\/p\u003e\n\u003ch3\u003eIs Bluelab Soil pH Pen waterproof?\u003c\/h3\u003e\n\u003cp\u003eCheck the IP rating listed in the product specifications. Most handheld meters are splash-proof but not designed for submersion. Take care when measuring in deep reservoirs to avoid dropping the unit. Bluelab Soil pH Pen is designed for hydroponic nutrient solution testing, it is not rated for outdoor or continuous immersion use.\u003c\/p\u003e\n\u003ch3\u003eDoes Bluelab Soil pH Pen ship fast within Australia?\u003c\/h3\u003e\n\u003cp\u003eYes, Bluelab Soil pH Pen ships from our Australian warehouse with fast tracked delivery Australia-wide. Most east coast orders arrive within 2 to 5 business days. WA, NT, and TAS orders typically arrive within 5 to 12 business days.\u003c\/p\u003e","brand":"Bluelab","offers":[{"title":"Default Title","offer_id":43188615479359,"sku":"BLUELAB-SOIL-PH-PEN","price":274.95,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0658\/6898\/8479\/files\/bluelab-soil-ph-pen_pensoilph_1-600x600.webp?v=1777438776"},{"product_id":"bluelab-combo-meter-ph-ec-temperature-australia","title":"Bluelab Combo Meter | pH EC Temperature Meter Hydroponics Australia","description":"\u003cdiv class=\"quick-answer-box\"\u003e\n\u003ch2 class=\"quick-answer-title\"\u003eQuick Answer\u003c\/h2\u003e\n\u003cul class=\"quick-answer-list\"\u003e\n\u003cli\u003eMeasures pH, EC and temperature simultaneously in one reading, with automatic temperature compensation.\u003c\/li\u003e\n\u003cli\u003eThe most widely used handheld meter in Australian hydroponics, trusted as a primary tool by most growers.\u003c\/li\u003e\n\u003cli\u003eBest suited to recirculating, DWC, NFT or coco feed programs where temperature swings genuinely affect readings.\u003c\/li\u003e\n\u003cli\u003eComes with 2 x AAA batteries included and a 5-year limited warranty, ready to use straight out of the box.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\n\u003ch2\u003eBluelab Combo Meter | pH, EC and Temperature Meter for Hydroponics Australia\u003c\/h2\u003e\n\n\u003cp\u003eThe Bluelab Combo Meter is the most widely used handheld pH, EC, and temperature meter in Australian hydroponics. It measures all three parameters simultaneously in one reading, giving you the complete picture of your nutrient solution without switching between instruments or doing multiple tests. For any grower managing a recirculating system, DWC, NFT, or coco coir feed program, this is the meter most Australian growers trust as their primary tool.\u003c\/p\u003e\n\n\u003ch3\u003eWhy Measuring pH, EC and Temperature Together Matters\u003c\/h3\u003e\n\n\u003cp\u003epH, EC, and temperature are not independent variables. A solution measured at 18 degrees Celsius gives a different EC reading than the same solution at 26 degrees. A pH reading taken without knowing the solution temperature can lead to corrections that push pH in the wrong direction. The Bluelab Combo Meter corrects for temperature automatically using built-in Automatic Temperature Compensation (ATC), which means the EC reading you see reflects the actual nutrient concentration rather than a temperature-skewed number.\u003c\/p\u003e\n\n\u003cp\u003eThis matters more in Australia than in many other countries because our seasonal temperature swings are significant. A Melbourne grow room in summer can see reservoir temperatures 8 to 10 degrees higher than the same room in winter, and that difference changes how nutrients behave in solution. Reading all three parameters simultaneously removes this variable from your nutrient management.\u003c\/p\u003e\n\n\u003ch3\u003eWhat the Bluelab Combo Meter Measures\u003c\/h3\u003e\n\n\u003cp\u003epH is displayed on a 0.0 to 14.0 scale with 0.1 resolution. The replaceable double-junction probe is more accurate and longer-lasting than single-junction probes found in cheaper meters, and connects via a standard BNC fitting so it can be replaced in the field when it eventually wears out rather than replacing the whole meter.\u003c\/p\u003e\n\n\u003cp\u003eEC is displayed in your choice of units: EC (mS\/cm), CF, PPM 500 (TDS), or PPM 700. The ability to switch between PPM scales matters because North American feed charts typically use PPM 500 while Australian and European charts use EC or CF. Being able to match your reading format to your feed chart removes a common source of confusion for growers switching between nutrient brands.\u003c\/p\u003e\n\n\u003cp\u003eTemperature is displayed in Celsius or Fahrenheit and is measured by the same probe as EC. Knowing reservoir temperature at the same time as EC tells you whether a rising EC is caused by plants drinking more water than nutrients (evaporative concentration) or a genuine change in nutrient strength.\u003c\/p\u003e\n\n\u003ch3\u003eHow to Get Accurate Readings Every Time\u003c\/h3\u003e\n\n\u003cp\u003eThe most common reason Bluelab Combo Meters give inconsistent readings is infrequent calibration. The pH probe drifts over time, particularly in warm grow rooms where biological activity in stored calibration solution can change its reference point. Calibrate with fresh pH 4.0 and pH 7.0 reference solutions at least once per week during active grows, and always after the probe has been stored dry. Store the probe tip in KCl storage solution when not in use to prevent the double-junction membrane from drying out.\u003c\/p\u003e\n\n\u003cp\u003eBluelab calibration sachets in pH 4.0, pH 7.0, and EC 2.77 mS\/cm are available separately and provide measured single-use portions that eliminate the contamination risk from dipping into a shared bottle repeatedly. For growers who want to verify their EC reading as well as pH, the EC 2.77 sachet confirms the conductivity probe is reading correctly.\u003c\/p\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\n\u003cp\u003e\u003cstrong\u003eHow often should I calibrate the Bluelab Combo Meter?\u003c\/strong\u003e Calibrate the pH probe at least once per week during active grows. If you are adjusting pH daily and the readings seem inconsistent, calibrate before troubleshooting your nutrient solution. A drifted probe is the most common cause of pH problems that do not respond to correction.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eWhat is the difference between EC and PPM on the Bluelab Combo Meter?\u003c\/strong\u003e EC (milliSiemens per centimetre) is the base unit. PPM 500 and PPM 700 are conversion scales used on different feed charts. PPM 500 = EC x 500. PPM 700 = EC x 700. Most Australian and European feed charts use EC. Most North American feed charts use PPM 500. Use whichever matches your feed chart and do not mix scales when comparing readings.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eHow long does the pH probe last?\u003c\/strong\u003e Typically 12 to 18 months with regular use and proper storage in KCl solution. The double-junction design extends probe life compared to single-junction alternatives. When pH readings become slow to stabilise or consistently read wrong after fresh calibration, the probe needs replacing. Replacement probes connect via the standard BNC fitting without any tools.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eIs the Bluelab Combo Meter waterproof?\u003c\/strong\u003e The probes are designed for immersion in nutrient solution. The meter body itself is splash-resistant but should not be submerged. The 2-metre probe cable allows the meter to sit outside the reservoir while probes are fully immersed.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eWhat is the best pH range for hydroponics in Australia?\u003c\/strong\u003e For most hydroponic systems, 5.5 to 6.5 with a target of 5.8 to 6.2 for the broadest nutrient availability. For coco coir, 5.8 to 6.2. For soil-based indoor growing, 6.0 to 7.0. See our complete guide on \u003ca href=\"\/blogs\/resources\/why-does-ph-keep-dropping-hydroponics-australia\"\u003ewhy pH keeps dropping in hydroponics\u003c\/a\u003e for a detailed explanation of pH management in Australian conditions.\u003c\/p\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMeasurements:\u003c\/strong\u003e pH, EC, temperature (simultaneous)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003epH probe:\u003c\/strong\u003e Replaceable double-junction, BNC connection\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEC units:\u003c\/strong\u003e EC (mS\/cm), CF, PPM 500 (TDS), PPM 700 (selectable)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTemperature units:\u003c\/strong\u003e Celsius and Fahrenheit (selectable)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTemperature compensation:\u003c\/strong\u003e Automatic (ATC)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDisplay:\u003c\/strong\u003e Backlit LCD\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCalibration:\u003c\/strong\u003e 2-point pH calibration (pH 4.0 and pH 7.0)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCable length:\u003c\/strong\u003e 2 metres\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower:\u003c\/strong\u003e 2 x AAA batteries (included)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 5-year limited warranty\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Bluelab","offers":[{"title":"Default Title","offer_id":43189124038719,"sku":"BLUELAB-COMBO-METER","price":424.95,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0658\/6898\/8479\/files\/BL2300E-Bluelab-Combo-Meter_1000x1000_Grey-600x600.png?v=1777439426"},{"product_id":"apera-ph-temperature-pen-waterproof-ph-meter","title":"Apera pH \u0026 Temperature Pen | Waterproof Digital pH Meter Hydroponics Australia","description":"\u003cdiv class=\"quick-answer-box\"\u003e\n\u003ch2 class=\"quick-answer-title\"\u003eQuick Answer\u003c\/h2\u003e\n\u003cul class=\"quick-answer-list\"\u003e\n\u003cli\u003eDigital pH and temperature pen with automatic temperature compensation for stable readings.\u003c\/li\u003e\n\u003cli\u003eWaterproof and dust-proof housing, supplied with calibration and storage solutions from first use.\u003c\/li\u003e\n\u003cli\u003eBest suited to growers wanting a reliable, no-frills pH pen rather than a multi-parameter meter.\u003c\/li\u003e\n\u003cli\u003eShips fast from our Australian warehouse.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\n\u003ch2\u003eApera pH \u0026amp; Temperature Pen. Waterproof Digital pH Meter with ATC for Hydroponics \u0026amp; Water Testing\u003c\/h2\u003e\n\u003cp\u003eThe Apera pH \u0026amp; Temperature Pen is a precision digital meter designed for accurate measurement of pH and temperature in hydroponic nutrient solutions, water systems, and laboratory applications. Engineered with Automatic Temperature Compensation (ATC), the device ensures stable and reliable pH readings across varying environmental conditions.\u003c\/p\u003e\n\u003cp\u003eThe large, high-contrast LCD display enables clear real-time monitoring, while the waterproof and dust proof housing provides durability in demanding grow room environments. This makes it suitable for both professional cultivators and home growers requiring consistent nutrient solution control.\u003c\/p\u003e\n\u003cp\u003eSupplied with calibration and storage solutions, the pen supports proper probe maintenance from initial use, ensuring measurement accuracy and extending electrode lifespan from the outset.\u003c\/p\u003e\n\u003cp\u003eOptimised for hydroponic systems where precise pH control directly influences nutrient uptake, plant metabolism, and overall yield performance.\u003c\/p\u003e\n\u003ch3\u003eKey Benefits\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDigital pH and temperature measurement for hydroponics and water testing.\u003c\/strong\u003e Simultaneous pH and temperature readings from a single device for fast, complete nutrient solution analysis.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAutomatic temperature compensation (ATC).\u003c\/strong\u003e Adjusts pH readings based on solution temperature in real time, eliminating temperature-induced measurement error across varying grow room conditions.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLarge, high-contrast LCD display.\u003c\/strong\u003e Clear, easy-to-read output for immediate on-site reference without squinting or app dependency.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWaterproof and dustproof housing.\u003c\/strong\u003e Durable construction rated for use in wet grow environments, protecting the device from moisture, nutrient splashes, and dust ingress.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCalibration and storage solutions included.\u003c\/strong\u003e Supplied with calibration fluid and storage solution for accurate setup and probe maintenance from first use.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePortable pen design for convenient testing.\u003c\/strong\u003e Compact, lightweight form factor for easy single-handed use across multiple reservoirs, tanks, and water sources.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhy Accurate pH Measurement Matters\u003c\/h3\u003e\n\u003cp\u003epH directly affects nutrient solubility and ion availability in hydroponic systems. Even small deviations from the optimal range can result in nutrient lockout or significantly reduced uptake efficiency, impacting plant metabolism, growth rate, and yield. A calibrated digital pH pen with automatic temperature compensation ensures consistent, reliable readings and stable nutrient management across all growth stages.\u003c\/p\u003e\n\u003ch3\u003eHow It Works\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSubmerge the probe into nutrient solution or water sample.\u003c\/strong\u003e Insert directly into the reservoir, nutrient mix, or any liquid sample for immediate measurement.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eATC adjusts for solution temperature in real time.\u003c\/strong\u003e Automatic temperature compensation corrects pH values based on current solution temperature, ensuring accuracy regardless of environmental variation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReadings displayed instantly on the LCD screen.\u003c\/strong\u003e pH and temperature values appear immediately for fast, on-site assessment without delays.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCalibrate regularly to maintain accuracy.\u003c\/strong\u003e Use the supplied calibration solution to perform manual calibration and prevent sensor drift over time.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStore probe correctly between uses.\u003c\/strong\u003e Use the supplied storage solution to maintain probe hydration and preserve electrode integrity during storage periods.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSystem Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eAutomatic temperature compensation (ATC).\u003c\/strong\u003e Real-time correction of pH readings based on solution temperature for consistent accuracy across varying conditions.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLarge LCD display.\u003c\/strong\u003e High-contrast screen for clear, immediate reading visibility in all lighting conditions.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWaterproof and dustproof housing.\u003c\/strong\u003e Durable construction for reliable performance in wet and humid grow environments.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIntegrated pH electrode.\u003c\/strong\u003e Built-in probe for direct solution measurement without separate probe attachment.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManual calibration supported.\u003c\/strong\u003e Calibrate to reference solutions for precision control and drift prevention.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCalibration solution included.\u003c\/strong\u003e Supplied reference solution for accurate initial setup and ongoing calibration maintenance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStorage solution included.\u003c\/strong\u003e Maintains probe hydration between uses to preserve electrode accuracy and extend sensor lifespan.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePortable pen design.\u003c\/strong\u003e Compact, lightweight form factor for easy transport and use across multiple grow locations.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eDigital pH and temperature pen for hydroponic nutrient solution monitoring Australia\u003c\/li\u003e\n\u003cli\u003eWaterproof pH tester with ATC for DWC, NFT, coco, and drip hydroponic systems\u003c\/li\u003e\n\u003cli\u003ePortable pH meter for aquaponics water quality monitoring\u003c\/li\u003e\n\u003cli\u003eAccurate pH pen for pool and water quality testing\u003c\/li\u003e\n\u003cli\u003eLaboratory and field pH measurement device for nutrient solution analysis\u003c\/li\u003e\n\u003cli\u003eHome grower and commercial cultivator pH testing tool for consistent nutrient management\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eIdeal For\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHydroponic systems (DWC, NFT, drip, coco).\u003c\/strong\u003e Precise pH control in nutrient solutions ensures optimal ion availability and maximum nutrient uptake across all hydroponic growing methods.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAquaponics setups.\u003c\/strong\u003e Accurate pH monitoring maintains stable water chemistry for both plant and aquatic organism health in integrated growing systems.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePool and water testing.\u003c\/strong\u003e Waterproof construction and ATC make the pen suitable for general water quality pH measurement beyond grow room applications.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLaboratory and field testing.\u003c\/strong\u003e Portable design and calibration solution support accurate pH measurement in controlled and field-based testing environments.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHome growers and commercial cultivators.\u003c\/strong\u003e Suitable for all experience levels requiring reliable, easy-to-use pH measurement for nutrient solution management.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMeasurement Parameters.\u003c\/strong\u003e pH and temperature (simultaneous)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTemperature Compensation.\u003c\/strong\u003e Automatic (ATC)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDisplay.\u003c\/strong\u003e Large high-contrast LCD screen\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHousing.\u003c\/strong\u003e Waterproof and dustproof\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCalibration.\u003c\/strong\u003e Manual calibration supported\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProbe Type.\u003c\/strong\u003e Integrated pH electrode\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIncludes.\u003c\/strong\u003e Calibration solution and storage solution\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatible Applications.\u003c\/strong\u003e Hydroponics, aquaponics, pool testing, laboratory and field measurement\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003ch3\u003eHow often should I calibrate Apera pH \u0026amp; Temperature Pen?\u003c\/h3\u003e\n\u003cp\u003epH meters should be calibrated before every use or at minimum every 2 to 3 days during active grows. EC meters are more stable but should be verified against a known reference solution weekly. Apera pH \u0026amp; Temperature Pen uses two-point calibration for pH (4.0 and 7.0 buffer solutions) and single-point calibration for EC (2.77 mS\/cm standard). Regular calibration is the single most important factor in measurement accuracy.\u003c\/p\u003e\n\u003ch3\u003eHow do I store Apera pH \u0026amp; Temperature Pen properly?\u003c\/h3\u003e\n\u003cp\u003eAlways store pH probes wet, never allow the probe tip to dry out as this permanently damages the glass membrane. Use the probe storage solution supplied with Apera pH \u0026amp; Temperature Pen or Bluelab KCl storage solution. EC probes are more robust but should also be rinsed with clean water after each use. Store Apera pH \u0026amp; Temperature Pen at room temperature away from direct sunlight.\u003c\/p\u003e\n\u003ch3\u003eWhat should I do if Apera pH \u0026amp; Temperature Pen is reading incorrectly?\u003c\/h3\u003e\n\u003cp\u003eFirst, recalibrate using fresh buffer solutions, old or contaminated calibration fluid is the most common cause of inaccurate readings. Rinse the probe thoroughly with deionised or distilled water between calibrations. If readings are still inconsistent after recalibration, check the probe for physical damage or contamination. Most probes have a service life of 12 to 18 months with proper care.\u003c\/p\u003e\n\u003ch3\u003eIs Apera pH \u0026amp; Temperature Pen waterproof?\u003c\/h3\u003e\n\u003cp\u003eCheck the IP rating listed in the product specifications. Most handheld meters are splash-proof but not designed for submersion. Take care when measuring in deep reservoirs to avoid dropping the unit. Apera pH \u0026amp; Temperature Pen is designed for hydroponic nutrient solution testing, it is not rated for outdoor or continuous immersion use.\u003c\/p\u003e\n\u003ch3\u003eDoes Apera pH \u0026amp; Temperature Pen ship fast within Australia?\u003c\/h3\u003e\n\u003cp\u003eYes, Apera pH \u0026amp; Temperature Pen ships from our Australian warehouse with fast tracked delivery Australia-wide. Most east coast orders arrive within 2 to 5 business days. WA, NT, and TAS orders typically arrive within 5 to 12 business days.\u003c\/p\u003e","brand":"Apera Instruments","offers":[{"title":"Default Title","offer_id":43189398896703,"sku":"APER-PH-TEMP-PEN","price":149.95,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0658\/6898\/8479\/files\/Apera-PH-Meter-600x600.png?v=1777440939"}],"url":"https:\/\/apexgrow.com.au\/collections\/handheld-ph-ec-meters.oembed","provider":"Apex Grow","version":"1.0","type":"link"}