{"product_id":"air-stone-round","title":"Air Stone Round","description":"\u003csection class=\"gh-product-listing\"\u003e\n\u003ch2\u003eAir Stone Round – Essential Aeration for DWC Systems and Hydroponic Reservoirs\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eBest for:\u003c\/strong\u003e Beginner and budget growers running deep water culture (DWC) setups, 5-20 gallon reservoirs, or small hydroponic systems\u003c\/p\u003e\n\u003cdiv class=\"gh-our-thoughts\" role=\"note\" aria-label=\"Our thoughts\"\u003e\n\u003cp\u003e\u003cem\u003e\u003cstrong\u003eOur thoughts\u003c\/strong\u003e\u003cbr\u003eA solid, no-nonsense aeration workhorse. Air Stone Round does exactly what it should — pumps oxygen into your root zone consistently without fuss. Heavy enough to stay put, cheap enough to replace if it clogs, and proven across thousands of small setups. One we recommend a lot for first-time DWC growers.\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cp\u003eAir Stone Round is a \u003cstrong\u003eporous oxygen diffuser\u003c\/strong\u003e designed to keep your hydroponic reservoir oxygenated and your roots happy. The micropore design creates fine bubbles that disperse evenly throughout your growing solution, ensuring consistent oxygen availability around your root zone. This is straightforward aeration at entry-level pricing — no complications, no guesswork, just reliable performance in the systems that need it most.\u003c\/p\u003e\n\u003ch3\u003eHow it compares\u003c\/h3\u003e\n\u003cp\u003eAir stones sit in the \u003cstrong\u003ebudget-friendly, proven end\u003c\/strong\u003e of the aeration spectrum.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eCheaper and simpler to set up than air diffusers\u003c\/li\u003e\n\u003cli\u003eProduces larger bubbles than micropore diffusers, meaning less oxygen per unit but adequate for small-to-medium systems\u003c\/li\u003e\n\u003cli\u003eHeavy, stable design stays anchored — no floating or drifting in your reservoir\u003c\/li\u003e\n\u003cli\u003eTougher on air pumps than diffusers, but more affordable to replace if clogging occurs\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eBottom line: You're trading micro-efficiency for simplicity and cost. For 5-gallon DWC buckets and small reservoirs, this trade works in your favour.\u003c\/p\u003e\n\u003ch3\u003eUsage guidance\u003c\/h3\u003e\n\u003cp\u003eAir Stone Round works across different hydroponic setups, but shines in deep water culture.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDeep water culture (DWC)\u003c\/strong\u003e\u003cbr\u003eThis is where air stones earn their keep. Drop one into the bottom of your reservoir, connect your air pump via 3\/8\" tubing, and let it run 24\/7. The stone stays weighted at the bottom; bubbles rise through the solution, keeping roots oxygenated and nutrient uptake sharp. A single 4-inch stone is standard for 5-gallon buckets. For larger reservoirs, step up to the 8-inch model or run multiple stones.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePre-soaking is critical\u003c\/strong\u003e\u003cbr\u003eNew air stones won't work properly straight out of the box. Soak them for 24 hours before first use — this fills the pores and ensures consistent bubble output from day one. Skip this step and you'll get sporadic performance.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePlacement and pump sizing\u003c\/strong\u003e\u003cbr\u003ePosition the stone at the lowest point of your reservoir for maximum bubble rise time and root contact. Match your air pump to the stone's pressure rating (see specs below). Undersized pumps won't push air through; oversized ones won't damage the stone but will waste energy.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eMaintenance and clogging\u003c\/strong\u003e\u003cbr\u003eAir stones can clog over time with nutrient residue or biofilm, especially in older reservoirs with poor water quality. Regular cleaning extends life. If performance drops and cleaning doesn't restore it, replacement is cheap — just swap it out and you're good to go.\u003c\/p\u003e\n\u003ch3\u003eTechnical specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e4\" Model:\u003c\/strong\u003e Diameter 4 inches, height 1 inch, inlet 3\/8\" diameter\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e8\" Model:\u003c\/strong\u003e Diameter 8 inches, height 1 inch, inlet 3\/8\" ID tubing\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePressure rating (4\"):\u003c\/strong\u003e Standard 0.01 MPa, maximum 0.012 MPa\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePressure rating (8\"):\u003c\/strong\u003e Standard 0.012 MPa, maximum 0.015 MPa\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Porous stone construction with micro-perforations\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstallation:\u003c\/strong\u003e Includes suction cups for easy, secure positioning\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTubing compatibility:\u003c\/strong\u003e 3\/8\" air pump tubing (standard fit)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWho this is for\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eFirst-time DWC growers wanting proven, simple aeration\u003c\/li\u003e\n\u003cli\u003eGrowers running 5-20 gallon reservoirs where cost and ease matter\u003c\/li\u003e\n\u003cli\u003eBudget-conscious setups where you want effective aeration without premium pricing\u003c\/li\u003e\n\u003cli\u003eAnyone building multiple small systems where aeration costs add up fast\u003c\/li\u003e\n\u003cli\u003eExperienced growers replacing worn-out stones (they know the value proposition)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eParticularly well-suited to spaces where \u003cstrong\u003estraightforward reliability trumps cutting-edge efficiency\u003c\/strong\u003e.\u003c\/p\u003e\n\u003ch3\u003eOur take\u003c\/h3\u003e\n\u003cp\u003eAir Stone Round is honest kit. It won't win any oxygen-per-watt awards, and it's not designed for industrial-scale setups. But for small DWC systems and hobby reservoirs, it's exactly what you need — proven, stable, and affordable.\u003c\/p\u003e\n\u003cp\u003eIf you're building your first hydroponic system or replacing a worn stone, worth picking up while clearance stock lasts. Does exactly what it should, day in, day out.\u003c\/p\u003e\n\u003c\/section\u003e","brand":"AIR STONE","offers":[{"title":"3 Inch Round","offer_id":47916156453034,"sku":"82882","price":1.61,"currency_code":"GBP","in_stock":false},{"title":"4 Inch Round","offer_id":47916156485802,"sku":"82892","price":2.99,"currency_code":"GBP","in_stock":true},{"title":"5 Inch Round","offer_id":47916156518570,"sku":"82902","price":3.49,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0053\/5540\/5400\/files\/air_stone_round.jpg?v=1769188531","url":"https:\/\/growershouse.co.uk\/products\/air-stone-round","provider":"Growers House ","version":"1.0","type":"link"}