{"title":"Reservoirs and Tanks","description":"\u003cp\u003eNutrient reservoirs, tanks, and tubs for hydroponic systems of all sizes.\u003c\/p\u003e","products":[{"product_id":"nef-tub-solid-45l-black-hydroponic","title":"NEF Tub Solid 45L Black | Hydroponic Grow Tub \u0026 Mixing Container","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\u003e45 litre capacity, enough to run a multi-plant drip system, DWC setup, or flood and drain reservoir without constant top-ups.\u003c\/li\u003e\n\u003cli\u003eHeavy-duty injection-moulded black plastic, built to block light completely and prevent algae growth across repeated grow cycles.\u003c\/li\u003e\n\u003cli\u003eSuits growers building a custom reservoir, since it can be drilled to accept tub outlet fittings, grommets, and bulkhead connectors.\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\u003cp\u003eA reliable nutrient reservoir is the foundation of any hydroponic system. Without a stable, light-proof container holding your nutrient solution, everything downstream, from your pump to your plants, is working against inconsistent conditions. The NEF Solid 45L Black Tub gives you a purpose-built starting point. Solid black construction blocks light completely, preventing the algae blooms that cloud nutrient solutions and compete with your plants for oxygen and nutrients. At 45 litres, it holds enough solution to run a multi-plant drip system, a DWC setup, or a flood and drain reservoir without constant top-ups.\u003c\/p\u003e\u003cp\u003eThe heavy-duty injection-moulded walls are built for repeated use in nutrient-rich environments, and the tub can be drilled to accept tub outlet fittings, grommets, and bulkhead connectors, making it a flexible base for custom system builds. This is a straightforward, durable starting point whether you are setting up your first hydroponic system or adding a dedicated mixing and storage container to an existing setup.\u003c\/p\u003e\u003ch2\u003eHow It Works\u003c\/h2\u003e\u003cp\u003eFill the tub with water and nutrient solution to create your reservoir. Connect your submersible pump inside the tub to feed your irrigation system, or use tub outlet fittings drilled through the wall for gravity-fed or recirculating connections. The opaque black walls prevent light from penetrating the solution, eliminating the conditions that allow algae to establish. The reinforced wall structure handles the weight of a full 45L solution load without flexing or deforming, maintaining a stable, upright container throughout the grow cycle.\u003c\/p\u003e\u003ch2\u003eKey Benefits\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e45 litre capacity for multi-plant systems.\u003c\/strong\u003e Holds enough nutrient solution to run drip systems, DWC setups, and flood and drain reservoirs without constant refilling.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBlack light-proof construction prevents algae growth.\u003c\/strong\u003e Solid opaque walls block all light from reaching the nutrient solution, eliminating the primary cause of algae blooms in hydroponic reservoirs.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeavy-duty injection-moulded plastic.\u003c\/strong\u003e Built for repeated use in nutrient-rich, water-based environments across multiple grow cycles.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatible with hydroponic fittings and outlets.\u003c\/strong\u003e Can be drilled to accept tub outlet fittings, grommets, and bulkhead connectors for custom system integration.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVersatile across system types.\u003c\/strong\u003e Suitable as a nutrient reservoir, grow tray base, DWC container, flood and drain reservoir, or general-purpose mixing and storage tub.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEasy to clean and maintain.\u003c\/strong\u003e Smooth interior walls resist residue buildup and clean out quickly between grow cycles.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eApplications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eHydroponic nutrient reservoir for drip and recirculating systems\u003c\/li\u003e\n\u003cli\u003eDeep Water Culture (DWC) grow container\u003c\/li\u003e\n\u003cli\u003eFlood and drain system reservoir\u003c\/li\u003e\n\u003cli\u003eNutrient solution mixing and storage\u003c\/li\u003e\n\u003cli\u003eCustom hydroponic system builds\u003c\/li\u003e\n\u003cli\u003eIndoor grow room and greenhouse irrigation setups\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCapacity.\u003c\/strong\u003e 45 litres\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eColour.\u003c\/strong\u003e Black (light-proof)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial.\u003c\/strong\u003e Heavy-duty injection-moulded plastic\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFunction.\u003c\/strong\u003e Reservoir, grow container, mixing tub\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatibility.\u003c\/strong\u003e Tub outlet fittings, grommets, irrigation fittings\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplication.\u003c\/strong\u003e Hydroponics, DWC, flood and drain, drip irrigation\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnvironment.\u003c\/strong\u003e Indoor, greenhouse, commercial systems\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUnit Weight.\u003c\/strong\u003e Approx. 1.5 to 2.5 kg (empty)\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eFrequently Bought Together\u003c\/h2\u003e\u003cp\u003eTurn this tub into a complete reservoir with the right fittings. Install \u003ca href=\"\/products\/hydroponic-tub-outlet-13mm-19mm-25mm\"\u003eHydroponic Tub Outlet Fittings\u003c\/a\u003e in 13mm, 19mm, or 25mm for sealed inlet and outlet connections through the tub wall. Use \u003ca href=\"\/products\/hydroponic-grommets-airline-seal-8mm-25mm\"\u003eHydroponic Grommets\u003c\/a\u003e in 8mm for airtight airline pass-throughs when running air stones inside the reservoir. Power your system with the \u003ca href=\"\/products\/rio-hf-water-pump-hydroponic-submersible-990-7300-lph-australia\"\u003eRio HF Submersible Water Pump\u003c\/a\u003e placed inside the tub to feed your irrigation lines, and aerate your nutrient solution with the \u003ca href=\"\/products\/resun-6-outlet-air-pump-1320lph-hydroponic-dwc\"\u003eRESUN 6 Outlet Air Pump\u003c\/a\u003e for improved dissolved oxygen levels and healthier roots.\u003c\/p\u003e","brand":"NEF","offers":[{"title":"Default Title","offer_id":43218312069183,"sku":null,"price":69.95,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0658\/6898\/8479\/files\/Nef-45-65L-Tub_1000x1000_Grey-copy-7-600x600.png?v=1777952188"},{"product_id":"nef-tub-grated-45l-black-hydroponic","title":"NEF Tub Grated 45L Black | Hydroponic Drainage \u0026 Root Zone Aeration Insert","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\u003ePerforated base lets excess water drain freely while increasing air exchange to the root zone.\u003c\/li\u003e\n\u003cli\u003eSits above the solid NEF tub as part of a two-layer modular system.\u003c\/li\u003e\n\u003cli\u003eBest suited to growers wanting root aeration between irrigation cycles, not a solid liquid-holding reservoir.\u003c\/li\u003e\n\u003cli\u003eShips fast from our Australian warehouse.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\n\u003cp\u003eRoot health in hydroponics comes down to two things: moisture and oxygen. Too much moisture with too little oxygen and roots suffocate, pathogens move in, and plant performance drops fast. The NEF Grated 45L Black Tub addresses this directly. Where the solid NEF tub holds and contains your nutrient solution, the grated version lets it move. The perforated base allows excess water to drain freely while simultaneously increasing air exchange to the root zone, giving roots the oxygen they need between irrigation cycles.\u003c\/p\u003e\u003cp\u003eDesigned for use within modular NEF tub systems, the grated tub sits above the solid reservoir tub, creating a two-layer system where nutrient solution floods up through the grate to saturate the root zone, then drains back down freely when the pump stops. This makes it a natural fit for flood and drain setups, layered grow systems, and any configuration where improved drainage and root oxygenation are priorities. The UV-stabilised black construction matches the NEF solid tub range and holds up across multiple grow cycles in nutrient-rich environments.\u003c\/p\u003e\u003ch2\u003eHow It Works\u003c\/h2\u003e\u003cp\u003eThe grated base structure allows nutrient solution to pass through freely in both directions. During a flood cycle, solution rises through the grate to saturate the growing medium and root zone. When the pump stops, gravity pulls the solution back down through the grate and into the reservoir below, leaving the root zone moist but well-drained and exposed to fresh air. This cycle of saturation and drainage is what drives healthy aerobic root development in ebb and flow systems, and the grated tub makes it happen passively without additional components.\u003c\/p\u003e\u003ch2\u003eKey Benefits\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eGrated base for free drainage and airflow.\u003c\/strong\u003e Perforated structure allows nutrient solution to drain completely between cycles, preventing waterlogging and the anaerobic conditions that cause root rot.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eImproves root zone oxygen exchange.\u003c\/strong\u003e Open grate design increases air contact with the root zone between irrigation cycles, supporting aerobic root respiration and healthier plant development.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatible with NEF 45L solid tub systems.\u003c\/strong\u003e Designed to pair with the NEF Solid 45L Tub as a two-layer modular system, with the grated tub sitting above the solid reservoir.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReduces risk of waterlogging.\u003c\/strong\u003e Free-draining base prevents solution from pooling in the root zone, reducing pathogen pressure and improving overall system stability.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurable UV-stabilised black construction.\u003c\/strong\u003e Heavy-duty injection-moulded plastic built for repeated use in nutrient-rich hydroponic environments.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIdeal for modular and custom system builds.\u003c\/strong\u003e Can be used as a standalone grow tray or integrated into larger multi-tub configurations.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eApplications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eFlood and drain hydroponic grow tray (upper layer)\u003c\/li\u003e\n\u003cli\u003eRoot zone aeration improvement in modular systems\u003c\/li\u003e\n\u003cli\u003eLayered NEF tub hydroponic system builds\u003c\/li\u003e\n\u003cli\u003eIndoor grow room drainage layer setups\u003c\/li\u003e\n\u003cli\u003eCommercial hydroponic root zone management\u003c\/li\u003e\n\u003cli\u003eCustom aeroponic hybrid configurations\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCapacity.\u003c\/strong\u003e 45 litres (system compatible)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eColour.\u003c\/strong\u003e Black (UV-stabilised)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial.\u003c\/strong\u003e Heavy-duty UV-stabilised plastic\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBase Design.\u003c\/strong\u003e Grated\/perforated for drainage and aeration\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFunction.\u003c\/strong\u003e Drainage and root zone aeration\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatibility.\u003c\/strong\u003e NEF 45L solid tub systems\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplication.\u003c\/strong\u003e Hydroponics, flood and drain, modular grow systems\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnvironment.\u003c\/strong\u003e Indoor, greenhouse, commercial systems\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUnit Weight.\u003c\/strong\u003e Approx. 1.2 to 2.0 kg\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eFrequently Bought Together\u003c\/h2\u003e\u003cp\u003eThe grated tub is designed to work as a system with the \u003ca href=\"\/products\/nef-tub-solid-45l-black-hydroponic\"\u003eNEF Tub Solid 45L Black\u003c\/a\u003e, which sits below as the nutrient reservoir while the grated tub holds your growing medium and root zone above. Power the flood cycle with the \u003ca href=\"\/products\/rio-hf-water-pump-hydroponic-submersible-990-7300-lph-australia\"\u003eRio HF Submersible Water Pump\u003c\/a\u003e placed inside the solid reservoir tub. Add the \u003ca href=\"\/products\/resun-6-outlet-air-pump-1320lph-hydroponic-dwc\"\u003eRESUN 6 Outlet Air Pump\u003c\/a\u003e to aerate the nutrient solution in the reservoir between cycles for maximum dissolved oxygen levels.\u003c\/p\u003e","brand":"NEF","offers":[{"title":"Default Title","offer_id":43218333401151,"sku":null,"price":69.95,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0658\/6898\/8479\/files\/Black-Grated_1000x1000_Grey-copy-8-600x600.png?v=1777952531"},{"product_id":"hydroponic-reservoir-160l-220l-tank","title":"Hydroponic Nutrient Tanks | 160L \u0026 220L Reservoir Systems","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\u003eAvailable in 160L and 220L, sized for multi-plant drip and commercial flood and drain setups.\u003c\/li\u003e\n\u003cli\u003eHeavy-duty UV-stabilised, light-blocking construction prevents the algae growth clear tanks allow.\u003c\/li\u003e\n\u003cli\u003eBest suited to systems needing multiple feed cycles between top-ups, not a small single-plant reservoir.\u003c\/li\u003e\n\u003cli\u003eShips via freight given the size, contact us for a quote to your location.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\n\u003cp\u003eWhen you're running a serious hydroponic system, a 45L tub under your bench stops being enough. Multi-plant drip systems, commercial flood and drain setups, and large recirculating grows need a reservoir that can hold enough solution to run the system through multiple feed cycles without constant top-ups. These 160L and 220L hydroponic reservoirs are built for exactly that scale.\u003c\/p\u003e\u003cp\u003eConstructed from heavy-duty UV-stabilised plastic with a light-blocking opaque finish, they maintain stable nutrient conditions by preventing the light penetration that triggers algae growth in open or translucent tanks. At 160 and 220 litres, they provide enough capacity to supply multi-site drip systems, large flood and drain trays, and DWC setups with consistent nutrient solution without the daily maintenance burden of smaller containers. Compatible with standard tub outlet fittings, grommets, and submersible pumps, they integrate directly into existing hydroponic plumbing without modification.\u003c\/p\u003e\u003ch2\u003eHow It Works\u003c\/h2\u003e\u003cp\u003eFill the reservoir with water and mix your nutrient solution to the target EC and pH. Place your submersible pump inside the reservoir to feed your irrigation system, or drill and fit tub outlet fittings through the wall for gravity-fed or recirculating connections. The opaque walls block all light from reaching the solution, preventing algae from establishing. The reinforced structure handles the full weight of a 160L or 220L solution load without flexing, keeping the reservoir stable and upright throughout the grow cycle. Top up as needed and monitor EC and pH regularly to maintain consistent nutrient delivery.\u003c\/p\u003e\u003ch2\u003eKey Benefits\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eAvailable in 160L and 220L capacities.\u003c\/strong\u003e Sized for multi-plant systems, commercial grow operations, and large flood and drain setups that require consistent nutrient supply across extended periods.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLight-blocking opaque construction prevents algae growth.\u003c\/strong\u003e Solid walls eliminate light penetration into the nutrient solution, removing the primary trigger for algae blooms that cloud reservoirs and compete with plants for oxygen.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeavy-duty UV-stabilised plastic.\u003c\/strong\u003e Built for continuous use in nutrient-rich environments, resisting the chemical exposure and temperature variation of indoor grow rooms and greenhouse operations.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatible with standard hydroponic fittings.\u003c\/strong\u003e Can be drilled to accept tub outlet fittings in 13mm, 19mm, and 25mm, and grommets for airline pass-throughs, making them fully integrable into custom system builds.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSupports pump-driven and gravity-fed systems.\u003c\/strong\u003e Works as a central supply reservoir for drip irrigation, flood and drain, DWC, and recirculating nutrient systems.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStable nutrient solution storage.\u003c\/strong\u003e Large volume reduces concentration fluctuations caused by plant uptake and evaporation, maintaining more consistent EC and pH between top-ups.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eApplications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eCentral nutrient reservoir for multi-plant drip systems\u003c\/li\u003e\n\u003cli\u003eFlood and drain system reservoir supply\u003c\/li\u003e\n\u003cli\u003eDeep Water Culture (DWC) nutrient tank\u003c\/li\u003e\n\u003cli\u003eCommercial hydroponic grow room nutrient storage\u003c\/li\u003e\n\u003cli\u003eGreenhouse irrigation supply tanks\u003c\/li\u003e\n\u003cli\u003eNutrient solution mixing and storage\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCapacities.\u003c\/strong\u003e 160L \/ 220L\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial.\u003c\/strong\u003e Heavy-duty UV-stabilised plastic\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eColour.\u003c\/strong\u003e Black (light-blocking)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFunction.\u003c\/strong\u003e Nutrient storage and irrigation supply\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatibility.\u003c\/strong\u003e Tub outlet fittings, grommets, submersible pumps\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplication.\u003c\/strong\u003e Hydroponics, drip irrigation, flood and drain, DWC\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnvironment.\u003c\/strong\u003e Indoor, greenhouse, commercial systems\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApproximate Weight (empty).\u003c\/strong\u003e 160L approx. 5 to 7 kg, 220L approx. 7 to 10 kg\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eFrequently Bought Together\u003c\/h2\u003e\u003cp\u003eTurn this reservoir into a complete irrigation hub. Install \u003ca href=\"\/products\/hydroponic-tub-outlet-13mm-19mm-25mm\"\u003eHydroponic Tub Outlet Fittings\u003c\/a\u003e in 13mm, 19mm, or 25mm for sealed inlet and outlet connections through the reservoir wall. Use \u003ca href=\"\/products\/hydroponic-grommets-airline-seal-8mm-25mm\"\u003eHydroponic Grommets\u003c\/a\u003e in 8mm to seal airline pass-throughs for air stone connections. Power your system with the \u003ca href=\"\/products\/rio-hf-water-pump-hydroponic-submersible-990-7300-lph-australia\"\u003eRio HF Submersible Water Pump\u003c\/a\u003e placed inside the reservoir, and aerate your nutrient solution with the \u003ca href=\"\/products\/resun-12-outlet-air-pump-3000lph-hydroponic-dwc\"\u003eRESUN 12 Outlet Air Pump\u003c\/a\u003e for maximum dissolved oxygen at commercial scale.\u003c\/p\u003e","brand":"Apex Grow","offers":[{"title":"160L","offer_id":43218357715007,"sku":null,"price":149.95,"currency_code":"AUD","in_stock":true},{"title":"220L","offer_id":43218357747775,"sku":null,"price":199.95,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0658\/6898\/8479\/files\/Res-160L_1000x1000_Grey-copy-7-600x600_1.png?v=1777953236"},{"product_id":"nef-tub-lid-23l-45l-65l-white-hydroponic","title":"NEF Tub Lid | Fits 23L, 45L and 65L Hydroponic Tubs 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\u003eOne white lid fits the NEF 23L, 45L and 65L solid tubs, sold individually, one lid per tub.\u003c\/li\u003e\n\u003cli\u003eBlocks evaporation and light penetration, preventing the EC drift and algae growth an uncovered reservoir causes.\u003c\/li\u003e\n\u003cli\u003eBest suited to growers already running an NEF tub, rather than a standalone product on its own.\u003c\/li\u003e\n\u003cli\u003eEasy to cut for net pots, air stone tubing, or pump outlets in DWC and recirculating setups.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\n\u003ch2\u003eNEF Tub Lid. Fits 23L, 45L and 65L Hydroponic Tubs Australia\u003c\/h2\u003e\n\u003cp\u003eThe NEF Tub Lid is a white plastic lid designed to fit the full range of NEF solid and grated tubs including the 23L, 45L, and 65L sizes. It keeps your nutrient solution covered between feeds, preventing evaporation, light penetration, and airborne contamination that can introduce unwanted biology into your reservoir. If you are running NEF tubs as mixing containers, propagation chambers, or nutrient reservoirs, the lid completes the system.\u003c\/p\u003e\n\u003ch3\u003eWhy Cover Your Reservoir\u003c\/h3\u003e\n\u003cp\u003eAn uncovered reservoir in a grow room or tent loses water through evaporation, which raises EC as the volume drops without a corresponding reduction in dissolved nutrients. Light penetration into any nutrient solution encourages algae growth, which competes with beneficial biology, clogs pumps and emitters, and throws off pH and EC readings. A simple lid eliminates both problems with no ongoing maintenance.\u003c\/p\u003e\n\u003cp\u003eFor growers using NEF tubs as propagation environments, the lid paired with the \u003ca href=\"\/products\/large-humidity-crib-propagation-dome-hydroponic\"\u003eLarge Humidity Crib\u003c\/a\u003e creates a complete enclosed propagation chamber with humidity control and a covered base.\u003c\/p\u003e\n\u003ch3\u003eCompatibility\u003c\/h3\u003e\n\u003cp\u003eThis lid is a white design that fits the NEF 23L, 45L, and 65L tubs. It is not compatible with the grated tub variants when used as a drainage insert but fits the solid tub base. The lid is sold individually and covers one tub per unit.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eDoes this lid fit both the solid and grated NEF tubs?\u003c\/strong\u003e The lid fits the outer rim of both the \u003ca href=\"\/products\/nef-tub-solid-45l-black-hydroponic\"\u003eNEF Solid 45L\u003c\/a\u003e and \u003ca href=\"\/products\/nef-tub-grated-45l-black-hydroponic\"\u003eNEF Grated 45L\u003c\/a\u003e tubs. When the grated insert is inside the solid tub, the lid sits on top of the outer tub.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan I cut holes in the lid for net pots or fittings?\u003c\/strong\u003e Yes. The white plastic is easy to cut with a hole saw or sharp knife to accommodate net pots, air stone tubing, or pump outlets for DWC and recirculating setups.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes the lid come in black?\u003c\/strong\u003e JB only stocks this lid in white. The white colour is not ideal for light blocking but is adequate for most closed grow room applications where ambient light levels are controlled.\u003c\/p\u003e\n\u003ch3\u003eProduct Details\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFits:\u003c\/strong\u003e NEF 23L, 45L and 65L tubs (solid and grated)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eColour:\u003c\/strong\u003e White\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"NEF","offers":[{"title":"Default Title","offer_id":43331771531327,"sku":"TNEFL","price":28.95,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0658\/6898\/8479\/files\/White-Lid-nef-tub.jpg?v=1780398370"},{"product_id":"nef-tub-solid-23l-black-hydroponic","title":"NEF Tub Solid 23L Black | Compact Hydroponic Mixing Tub 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\u003e23 litre capacity, sized specifically for single-plant DWC setups and small recirculating systems.\u003c\/li\u003e\n\u003cli\u003eFood-grade black plastic, blocking light to prevent algae growth in the nutrient solution.\u003c\/li\u003e\n\u003cli\u003eBest suited to a 1 to 2 plant system, since larger reservoirs make EC and pH harder to stabilise quickly.\u003c\/li\u003e\n\u003cli\u003eCompatible lid and Large Humidity Crib propagation dome both sold separately.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\n\u003ch2\u003eNEF Tub Solid 23L Black | Compact Hydroponic Reservoir and Mixing Tub Australia\u003c\/h2\u003e\n\n\u003cp\u003eThe NEF Tub Solid 23L Black is a compact food-grade black plastic tub used across Australian hydroponic setups as a small nutrient reservoir, mixing container, propagation base, or standalone grow tub. The solid base holds liquid without drainage, making it suitable for reservoir applications where the larger NEF 45L is more than you need. Black construction prevents algae growth by blocking light from reaching the solution inside.\u003c\/p\u003e\n\n\u003ch3\u003eWhere the 23L Size Makes Sense\u003c\/h3\u003e\n\n\u003cp\u003eThe 23L tub sits between a standard bucket and the NEF 45L tub in capacity. For single-plant DWC setups, small recirculating systems, pH and nutrient mixing stations, or cuttings propagation with the \u003ca href=\"\/products\/large-humidity-crib-propagation-dome-hydroponic\"\u003eLarge Humidity Crib\u003c\/a\u003e, 23 litres is the right volume. Large reservoirs can be harder to manage with small systems because the solution-to-plant ratio is too high, making EC and pH harder to stabilise quickly. A 23L reservoir matched to a 1 to 2 plant system gives you tighter control.\u003c\/p\u003e\n\n\u003cp\u003eThe 23L tub also fits inside most grow tents as a mixing or catch container without taking up significant floor space. For growers running recirculating systems that need a separate mixing reservoir distinct from the main system tank, the 23L is the standard choice.\u003c\/p\u003e\n\n\u003ch3\u003eCompatible Accessories\u003c\/h3\u003e\n\n\u003cp\u003eThe NEF lid (sold separately as \u003ca href=\"\/products\/nef-tub-lid-23l-45l-65l-white-hydroponic\"\u003eLids to suit 23\/45\/65L\u003c\/a\u003e) fits the 23L tub for covered reservoir applications. The \u003ca href=\"\/products\/large-humidity-crib-propagation-dome-hydroponic\"\u003eLarge Humidity Crib\u003c\/a\u003e also fits the 23L tub as a propagation dome for cuttings and seedlings. For larger reservoir needs, see the \u003ca href=\"\/products\/nef-tub-solid-45l-black-hydroponic\"\u003eNEF Solid 45L\u003c\/a\u003e and \u003ca href=\"\/products\/tub-reservoir-65l-black-hydroponic\"\u003e65L Tub Reservoir\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\n\u003cp\u003e\u003cstrong\u003eIs the NEF 23L food grade?\u003c\/strong\u003e Yes. NEF tubs are manufactured from food-grade plastic suitable for contact with hydroponic nutrient solutions.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eWhat is the difference between the solid and grated NEF tubs?\u003c\/strong\u003e The solid tub has a solid base for holding liquid. The grated tub has a perforated base designed as a drainage insert to sit inside the solid tub, creating a flood and drain chamber or root zone aeration layer above the reservoir.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eCan I use the 23L tub for DWC?\u003c\/strong\u003e Yes. The 23L volume is appropriate for a single-plant DWC setup. Cut holes in the lid for net pots and an air stone, connect an air pump, and the 23L tub functions as a compact DWC reservoir. See our \u003ca href=\"\/blogs\/resources\/dwc-hydroponics\"\u003eDWC hydroponics guide\u003c\/a\u003e for setup instructions.\u003c\/p\u003e\n\n\u003ch3\u003eProduct Details\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCapacity:\u003c\/strong\u003e 23 litres\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eColour:\u003c\/strong\u003e Black\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBase:\u003c\/strong\u003e Solid (not grated)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Food-grade plastic\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatible lid:\u003c\/strong\u003e Lids to suit 23\/45\/65L White (sold separately)\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"NEF","offers":[{"title":"Default Title","offer_id":43331771564095,"sku":"TNEFS231","price":40.95,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0658\/6898\/8479\/files\/23L-Black-tub_1000x1000_Grey-copy-6.png?v=1780398464"},{"product_id":"tub-reservoir-65l-black-hydroponic","title":"Tub 65L Black | Mid-Size Hydroponic Nutrient Reservoir 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\u003e65 litre capacity, sized for 4 to 6 plant recirculating systems without the slow pH\/EC response of a 160L tank.\u003c\/li\u003e\n\u003cli\u003eFood-grade black plastic, blocking light to prevent algae growth across repeated grow cycles.\u003c\/li\u003e\n\u003cli\u003eBest suited to growers who want faster pH correction and lower nutrient cost per fill than a full 160L reservoir.\u003c\/li\u003e\n\u003cli\u003eShips via Bulky Freight at $79.95 for Zone 1 (VIC\/NSW\/QLD\/SA\/ACT), with remote area rates for WA, NT and Tasmania.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\n\u003ch2\u003eTub Reservoir 65L Black. Mid-Size Hydroponic Nutrient Tank Australia\u003c\/h2\u003e\n\u003cp\u003eThe 65L Black Tub Reservoir is a mid-size food-grade black plastic nutrient tank designed for hydroponic systems that need more capacity than a 45L tub but do not require the full volume of a 160L or 220L reservoir. Black construction blocks light to prevent algae growth in the nutrient solution. At 65 litres, it suits multi-plant recirculating systems, larger DWC setups, and nutrient mixing stations for 5L to 10L batch preparation.\u003c\/p\u003e\n\u003ch3\u003eWhy 65L Is the Right Size for Many Setups\u003c\/h3\u003e\n\u003cp\u003eThe jump from 45L to 160L is significant. For growers running 4 to 6 plants in a recirculating drip or ebb and flood system, a 160L reservoir holds more solution than the system needs, which makes pH and EC adjustments slow to take effect and increases the cost of nutrient changes between cycles. A 65L reservoir at the same nutrient concentration requires less product per fill, responds faster to pH correction, and is easier to fully drain and clean between grows.\u003c\/p\u003e\n\u003cp\u003eFor growers using the \u003ca href=\"\/products\/flood-drain-trays-black-hydroponic-ebb-flow\"\u003eFlood and Drain Trays\u003c\/a\u003e or \u003ca href=\"\/products\/flo-gro-dripper-system-recirculating-hydroponic-australia\"\u003eFlo-Gro Dripper System\u003c\/a\u003e, 65 litres provides adequate buffer volume without the overhead of a large tank.\u003c\/p\u003e\n\u003ch3\u003eCompatible Accessories\u003c\/h3\u003e\n\u003cp\u003eThe NEF lid range fits the 65L tub for covered reservoir applications. For smaller capacity needs, see the \u003ca href=\"\/products\/nef-tub-solid-23l-black-hydroponic\"\u003eNEF Solid 23L\u003c\/a\u003e and \u003ca href=\"\/products\/nef-tub-solid-45l-black-hydroponic\"\u003eNEF Solid 45L\u003c\/a\u003e tubs. For larger systems, the \u003ca href=\"\/products\/hydroponic-reservoir-160l-220l-tank\"\u003e160L and 220L reservoirs\u003c\/a\u003e cover commercial-scale nutrient volumes.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eIs the 65L tub suitable as a DWC reservoir?\u003c\/strong\u003e Yes. 65 litres supports 2 to 4 plants in a DWC configuration with adequate dissolved oxygen buffer. Cut the lid for net pot holes and air stone access, run an air pump, and the 65L tub functions as a reliable mid-size DWC reservoir.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes a lid come with the 65L tub?\u003c\/strong\u003e No, the lid is sold separately. See \u003ca href=\"\/products\/nef-tub-lid-23l-45l-65l-white-hydroponic\"\u003eLids to suit 23\/45\/65L White\u003c\/a\u003e.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the shipping weight on the 65L tub?\u003c\/strong\u003e The 65L tub ships at volumetric weight and falls in the Bulky Freight tier at $79.95 for Zone 1 (VIC\/NSW\/QLD\/SA\/ACT) due to its physical size. Remote area rates apply for WA, NT, and Tasmania.\u003c\/p\u003e\n\u003ch3\u003eProduct Details\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCapacity:\u003c\/strong\u003e 65 litres\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eColour:\u003c\/strong\u003e Black\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Food-grade plastic\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatible lid:\u003c\/strong\u003e Lids to suit 23\/45\/65L White (sold separately)\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Apex Grow","offers":[{"title":"Default Title","offer_id":43331771596863,"sku":"TNS65B","price":66.95,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0658\/6898\/8479\/files\/Nef-45-65L-Tub_1000x1000_Grey-copy-9.png?v=1780398711"},{"product_id":"duralastics-hydroponic-reservoir-australia","title":"Duralastics Flat Tank | Professional Hydroponic Nutrient Reservoir 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\u003eAvailable in 75 gallon (284L) and 100 gallon (378L) sizes, made from 0.160 inch gauge recycled ABS plastic.\u003c\/li\u003e\n\u003cli\u003eManufactured in the USA, resistant to the dilute acids and oxidising agents present in hydroponic nutrient solutions.\u003c\/li\u003e\n\u003cli\u003eBest suited to commercial flood and drain or large recirculating setups where a standard round or square tank wastes floor space.\u003c\/li\u003e\n\u003cli\u003eShips via Heavy Freight at $149.95 for Zone 1 (VIC\/NSW\/QLD\/SA\/ACT), with a manual quote for WA, NT and Tasmania.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\n\u003ch2\u003eDuralastics Reservoir | Professional Flat Hydroponic Nutrient Tank Australia\u003c\/h2\u003e\n\n\u003cp\u003eThe Duralastics Reservoir is a professional-grade low-profile nutrient tank manufactured in the USA from 100% recycled black ABS plastic at 0.160 inch gauge thickness. Available in 75 gallon (284L) and 100 gallon (378L) configurations, Duralastics reservoirs are the preferred choice for commercial flood and drain operations, large recirculating drip systems, and controlled environment agriculture where standard round or square reservoirs do not suit the available floor plan. The flat rectangular profile maximises floor space utilisation and sits under grow benches and flood trays without raising the reservoir height.\u003c\/p\u003e\n\n\u003ch3\u003eWhy Flat Profile Reservoirs Are Used in Commercial Growing\u003c\/h3\u003e\n\n\u003cp\u003eRound and square reservoirs waste floor space in rectangular grow rooms. A flat-profile reservoir like the Duralastics sits under a flood tray or grow bench, keeping the floor plan efficient and maintaining a low reservoir height for gravity-fed systems. The 75 gallon version at 125x125x37cm and the 100 gallon version at the same footprint at a slightly greater depth provide large-volume nutrient storage in a footprint that does not compete with canopy space above.\u003c\/p\u003e\n\n\u003cp\u003eThe built-in water level indicators on the exterior of each reservoir allow quick visual confirmation of solution volume without removing lids, lifting covers, or measuring manually. For commercial growers running multiple reservoirs, this significantly reduces daily monitoring time.\u003c\/p\u003e\n\n\u003ch3\u003eConstruction and Durability\u003c\/h3\u003e\n\n\u003cp\u003eDuralastics reservoirs are manufactured from 100% recycled ABS plastic, which is resistant to the dilute acids and oxidising agents present in hydroponic nutrient solutions. The 0.160 inch gauge thickness provides structural rigidity under full load without the flex common in cheaper reservoir designs. The easy-clean interior design eliminates sharp internal corners where biofilm and salt deposits accumulate, making end-of-cycle cleaning significantly faster than conventional reservoirs.\u003c\/p\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\n\u003cp\u003e\u003cstrong\u003eWhat is the difference between the 75G and 100G Duralastics reservoir?\u003c\/strong\u003e The 75 gallon (284L) model suits large recirculating systems and commercial flood tables up to approximately 120x120cm. The 100 gallon (378L) provides additional volume for larger flood tables, multi-bay recirculating systems, or applications requiring more buffer capacity between refills.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eIs the Duralastics reservoir suitable for DWC?\u003c\/strong\u003e The flat profile makes it less suited to traditional DWC where you need depth for root submersion, but it works well as a central reservoir for recirculating DWC and RDWC systems where the reservoir feeds multiple grow sites.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eWhat are the shipping costs for the Duralastics reservoir?\u003c\/strong\u003e Due to the large physical dimensions, both Duralastics models ship at Heavy Freight rates. Zone 1 (VIC\/NSW\/QLD\/SA\/ACT) shipping is $149.95. WA, NT, and Tasmania require a manual freight quote. This is shown transparently at checkout.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eDoes the Duralastics reservoir come with a lid?\u003c\/strong\u003e No lid is included. Contact us for compatible lid options for your specific configuration.\u003c\/p\u003e\n\n\u003ch3\u003eProduct Details\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Duralastics (USA)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e 100% recycled black ABS plastic\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGauge:\u003c\/strong\u003e 0.160 inch thickness\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAvailable sizes:\u003c\/strong\u003e 75 gallon (284L), 100 gallon (378L)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDimensions (100G):\u003c\/strong\u003e 125 x 125 x 37cm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFeatures:\u003c\/strong\u003e Built-in water level indicators, easy-clean no sharp-corner interior design\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCountry of manufacture:\u003c\/strong\u003e USA\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSKU:\u003c\/strong\u003e SSTR-75G \/ SSTR-100G\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Duralastics","offers":[{"title":"75 Gallon (284L)","offer_id":43331771695167,"sku":"SSTR-75G","price":213.95,"currency_code":"AUD","in_stock":true},{"title":"100 Gallon (378L)","offer_id":43331771727935,"sku":"SSTR-100G","price":307.95,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0658\/6898\/8479\/files\/Duralastics100g.jpg?v=1780399243"}],"url":"https:\/\/apexgrow.com.au\/collections\/reservoirs-and-tanks.oembed","provider":"Apex Grow","version":"1.0","type":"link"}