{"product_id":"aqua-one-air-stones-hydroponic-aeration","title":"Aqua One Air Stones | Hydroponic Oxygen Diffusion \u0026 Aeration System","description":"\u003cp\u003eDissolved oxygen is one of the most critical and most overlooked variables in hydroponic nutrient management. Roots require oxygen for aerobic respiration. Without adequate dissolved oxygen in the nutrient solution, root function slows, nutrient uptake becomes inefficient, and anaerobic conditions develop that favour pathogens over plant growth. Air stones address this directly by producing a continuous stream of fine micro-bubbles that increase dissolved oxygen levels, drive water circulation, and maintain the aerobic conditions that healthy root systems depend on.\u003c\/p\u003e\u003cp\u003eAqua One Air Stones are available in ceramic and flexible formats across five sizes, covering everything from compact single-plant DWC buckets through to large commercial reservoirs requiring even oxygenation along the full tank length. Ceramic models provide dense, consistent bubble output from a rigid diffuser. The 90cm flexible air stone distributes bubbles evenly along its entire length, making it the preferred choice for long rectangular reservoirs and multi-plant systems where a single point diffuser would leave dead zones at the far end of the tank.\u003c\/p\u003e\u003ch2\u003eAvailable Models\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e100 x 20mm Ceramic Air Stone.\u003c\/strong\u003e Compact rigid diffuser for small reservoirs, single-plant DWC buckets, and propagation systems.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e100 x 30mm Ceramic Air Stone.\u003c\/strong\u003e Mid-size ceramic diffuser for medium reservoirs and multi-plant DWC setups.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e130 x 30mm Ceramic Air Stone.\u003c\/strong\u003e Larger ceramic format for bigger reservoirs requiring higher bubble output from a single diffuser point.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e50mm Ceramic Ball Air Stone.\u003c\/strong\u003e Spherical diffuser for omnidirectional bubble distribution in round or compact reservoir configurations.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e90cm Flexible Air Stone.\u003c\/strong\u003e Long-format flexible diffuser for even bubble distribution along the full length of rectangular reservoirs, flood and drain systems, and commercial nutrient tanks.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eKey Benefits\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFine micro-bubble diffusion maximises dissolved oxygen transfer.\u003c\/strong\u003e Smaller bubbles have greater surface area relative to volume, increasing the rate of oxygen transfer into the nutrient solution compared to coarse bubble diffusers.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eImproves root zone oxygen availability.\u003c\/strong\u003e Higher dissolved oxygen levels support aerobic root respiration, improving nutrient uptake efficiency and reducing the risk of root rot and anaerobic pathogen activity.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDrives water circulation and nutrient mixing.\u003c\/strong\u003e Continuous bubble movement prevents nutrient stratification in reservoirs, keeping EC and pH consistent throughout the solution volume.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSupports beneficial microbial activity.\u003c\/strong\u003e Aerobic conditions created by consistent oxygenation favour beneficial microorganisms and help stabilise the nutrient solution ecosystem.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCeramic and flexible formats for different applications.\u003c\/strong\u003e Rigid ceramic models suit compact reservoirs and DWC buckets. The 90cm flexible model suits long tanks and commercial systems requiring even distribution across the full reservoir length.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatible with all standard hydroponic air pumps.\u003c\/strong\u003e Connects directly to airline tubing from RESUN and other standard air pump systems.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eApplications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eDeep Water Culture (DWC) reservoir oxygenation\u003c\/li\u003e\n\u003cli\u003eHydroponic nutrient reservoir aeration and circulation\u003c\/li\u003e\n\u003cli\u003eNFT and recirculating system reservoir oxygenation\u003c\/li\u003e\n\u003cli\u003eFlood and drain system reservoir aeration\u003c\/li\u003e\n\u003cli\u003eAquaponic water oxygenation systems\u003c\/li\u003e\n\u003cli\u003eCommercial nutrient tank dissolved oxygen management\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eModels.\u003c\/strong\u003e 100x20mm \/ 100x30mm \/ 130x30mm \/ 50mm ball \/ 90cm flexible\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial.\u003c\/strong\u003e Ceramic (rigid models) \/ flexible polymer (90cm model)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFunction.\u003c\/strong\u003e Oxygen diffusion and water aeration\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstallation.\u003c\/strong\u003e Submerged in nutrient solution\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatibility.\u003c\/strong\u003e Standard hydroponic airline tubing and air pumps\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApproximate Weight.\u003c\/strong\u003e Ceramic models 100 to 300g, flexible 90cm 150 to 400g\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eFrequently Bought Together\u003c\/h2\u003e\u003cp\u003eAir stones require an air pump to operate. The \u003ca href=\"\/products\/resun-6-outlet-air-pump-1320lph-hydroponic-dwc\"\u003eRESUN 6 Outlet Air Pump\u003c\/a\u003e at 1320 L\/hr suits smaller multi-stone setups and home DWC systems. For commercial reservoirs and multi-tank operations, the \u003ca href=\"\/products\/resun-12-outlet-air-pump-3000lph-hydroponic-dwc\"\u003eRESUN 12 Outlet Air Pump\u003c\/a\u003e at 3000 L\/hr provides enough output to run multiple air stones simultaneously. Use 8mm grommets from the \u003ca href=\"\/products\/hydroponic-grommets-airline-seal-8mm-25mm\"\u003eHydroponic Grommets\u003c\/a\u003e range to seal airline pass-throughs cleanly through your reservoir wall. Running a DWC system? The \u003ca href=\"\/products\/oxypot-dwc-hydroponic-system-deep-water-culture-australia\"\u003eOxypot DWC Hydroponic System\u003c\/a\u003e is a complete ready-to-run deep water culture setup that pairs directly with these air stones.\u003c\/p\u003e","brand":"Aqua One","offers":[{"title":"100 x 20mm Ceramic Air Stone","offer_id":43218420793407,"sku":null,"price":39.95,"currency_code":"AUD","in_stock":true},{"title":"100 x 30mm Ceramic Air Stone","offer_id":43218420826175,"sku":null,"price":44.95,"currency_code":"AUD","in_stock":true},{"title":"130 x 30mm Ceramic Air Stone","offer_id":43218420858943,"sku":null,"price":49.95,"currency_code":"AUD","in_stock":true},{"title":"50mm Ceramic Ball Air Stone","offer_id":43218420891711,"sku":null,"price":14.95,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0658\/6898\/8479\/files\/Flexable-Air-stone-90-600x600.webp?v=1777957260","url":"https:\/\/apexgrow.com.au\/products\/aqua-one-air-stones-hydroponic-aeration","provider":"Apex Grow","version":"1.0","type":"link"}