{"title":"Air Stones for Hydroponics","description":"\u003cp\u003e\u003cstrong\u003eAir stones for hydroponics\u003c\/strong\u003e raise dissolved oxygen in your nutrient reservoir, creating a steady stream of fine bubbles that keeps water moving, roots healthy and uptake consistent. Browse disc stones, bar stones, ceramic diffusers and nano bubble options for DWC, RDWC and tank aeration. Pair with a quiet, reliable \u003ca href=\"\/de\/collections\/air-pumps-for-hydroponics\"\u003ehydroponic air pump\u003c\/a\u003e for best results.\u003c\/p\u003e\n\u003ch2\u003eWhy use air stones in hydroponics?\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eIncrease dissolved oxygen to support fast root growth\u003c\/li\u003e\n\u003cli\u003eReduce stagnation and help prevent root problems\u003c\/li\u003e\n\u003cli\u003eImprove nutrient uptake and overall plant resilience\u003c\/li\u003e\n\u003cli\u003eWorks with DWC, RDWC, flood and drain, and plain reservoirs\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eTypes of air stone\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eDisc and round diffusers\u003c\/strong\u003e have a compact footprint and a broad bubble spread, which suits buckets and small tanks. \u003cstrong\u003eBar and cylinder stones\u003c\/strong\u003e give a linear bubble curtain for long tanks and troughs. \u003cstrong\u003eCeramic and fine-pore stones\u003c\/strong\u003e use a denser material, so bubbles are finer and dissolved oxygen potential is higher. \u003cstrong\u003eNano bubble stones\u003c\/strong\u003e take that further with ultra-fine bubbles and longer contact time.\u003c\/p\u003e\n\u003ch2\u003eChoosing the right one\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eReservoir size:\u003c\/strong\u003e larger tanks need bigger discs or multiple bars to avoid dead zones.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBubble fineness:\u003c\/strong\u003e ceramic and nano give finer bubbles and better oxygenation, but need a stronger pump to drive them.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePump match:\u003c\/strong\u003e check the L\/min output and the number of outlets on your pump before buying.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaintenance:\u003c\/strong\u003e stones last longer if you rinse them between runs and pre-filter the air.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eQuick sizing guide\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eReservoir size\u003c\/th\u003e\n\u003cth\u003eSuggested stones\u003c\/th\u003e\n\u003cth\u003eTypical airflow\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eUp to 50L\u003c\/td\u003e\n\u003ctd\u003e1 x 4in disc or 1 small bar\u003c\/td\u003e\n\u003ctd\u003e4-8 L\/min\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e50-100L\u003c\/td\u003e\n\u003ctd\u003e1 x 6in disc or 2 small bars\u003c\/td\u003e\n\u003ctd\u003e8-12 L\/min\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e100-200L\u003c\/td\u003e\n\u003ctd\u003e2 x 6in discs or 1-2 long bars\u003c\/td\u003e\n\u003ctd\u003e12-20 L\/min\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e200L+\u003c\/td\u003e\n\u003ctd\u003eMultiple discs or bars spaced evenly\u003c\/td\u003e\n\u003ctd\u003e20 L\/min+\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003eSplit airflow with quality tees and manifolds for even distribution, and see \u003ca href=\"\/de\/collections\/flexi-tanks-reservoirs\"\u003eflexi tanks and reservoirs\u003c\/a\u003e for the tank itself.\u003c\/p\u003e\n\u003ch2\u003eAir stone FAQs\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eDo I need an air stone in hydroponics?\u003c\/strong\u003e\u003cbr\u003eIn DWC and RDWC, yes - air stones maintain dissolved oxygen and reduce stagnation. In other systems they are still worth having for tank health.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow many do I need?\u003c\/strong\u003e\u003cbr\u003eAt least one per small reservoir up to 100L. Scale up by tank size and shape; multiple stones prevent dead zones at the corners.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat size should I choose?\u003c\/strong\u003e\u003cbr\u003eMatch the disc or bar to your reservoir footprint and your pump's L\/min. Finer-pore stones need a stronger pump to perform properly.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eAir stone or diffuser - what is the difference?\u003c\/strong\u003e\u003cbr\u003eThe terms are used interchangeably. Ceramic and nano diffusers typically create finer bubbles and raise dissolved oxygen more efficiently.\u003c\/p\u003e\n\u003ch2\u003eWhy buy air stones from The Hydro Bros?\u003c\/h2\u003e\n\u003cp\u003eWe are a hydroponics shop in Croydon and we build these systems for customers. Pair with \u003ca href=\"\/de\/collections\/air-pumps-for-hydroponics\"\u003eair pumps\u003c\/a\u003e and \u003ca href=\"\/de\/collections\/air-line\"\u003eairline and fittings\u003c\/a\u003e. Discreet UK and European delivery, and \u003ca rel=\"noopener\" href=\"https:\/\/uk.trustpilot.com\/review\/thehydrobros.com\" target=\"_blank\"\u003eexcellent customer reviews on Trustpilot\u003c\/a\u003e.\u003c\/p\u003e","products":[{"product_id":"hailea-round-air-stone","title":"Hailea Rundes Lufstein","description":"\u003cp\u003e\u003cstrong\u003eHochwertige Luftsteine, die entwickelt wurden, um den gelösten Sauerstoffgehalt zu steigern und Ihre Nährlösung frisch, sauerstoffreich und für schnelles Wurzelwachstum optimal zu machen.\u003c\/strong\u003e Jeder Stein erzeugt einen feinen Blasenstrom, der die Oberflächenspannung des Wassers bricht, den Gasaustausch verbessert und stärkeres, gesünderes Wachstum fördert.\u003c\/p\u003e\u003cp\u003eSauerstoffreiches Wasser ist für jedes Hydroponik-System unerlässlich. Höhere DO-Werte helfen, eine saubere Wurzelzone zu erhalten, fördern eine schnellere Nährstoffaufnahme und verringern das Risiko anaerober Bedingungen in Behältern. Diese Luftsteine sind mit allen gängigen Luftpumpen kompatibel und können in DWC-Systemen, Umlaufsystemen, Behältern, Mischtanks und Vermehrungsanlagen verwendet werden.\u003c\/p\u003e\u003ch2\u003eWarum Luftsteine verwenden\u003c\/h2\u003e\u003cul\u003e\u003cli\u003eVerbessert den gelösten Sauerstoffgehalt für stabilere, widerstandsfähigere Wurzelsysteme.\u003c\/li\u003e\u003cli\u003eHilft, eine frischere, stabilere Nährlösung zu erhalten.\u003c\/li\u003e\u003cli\u003eFördert eine schnellere Nährstoffaufnahme und das Pflanzenwachstum.\u003c\/li\u003e\u003cli\u003eVerringert stehende Wasserstellen und hilft, unangenehme Gerüche zu vermeiden.\u003c\/li\u003e\u003cli\u003ePasst zu jeder Luftpumpe und gängigem Silikon-Luftschlauch.\u003c\/li\u003e\u003c\/ul\u003e\u003ch2\u003eDie richtige Form auswählen\u003c\/h2\u003e\u003cul\u003e\u003cli\u003e\u003cstrong\u003eRunde Steine\u003c\/strong\u003e (4, 6, 8 inch): Ideal für große Behälter, bei denen eine breite, gleichmäßige Blasenverteilung erforderlich ist.\u003c\/li\u003e\u003cli\u003e\u003cstrong\u003eGolfball-Steine\u003c\/strong\u003e: Kompakt und ausgezeichnet für kleine Eimer, kleine Tanks oder Vermehrungsanlagen.\u003c\/li\u003e\u003cli\u003e\u003cstrong\u003eZylinder-Steine\u003c\/strong\u003e: Perfekt zur vertikalen Befestigung oder in engen Räumen, bei denen gerichtete Belüftung gewünscht ist.\u003c\/li\u003e\u003c\/ul\u003e\u003ch2\u003eAnwendung\u003c\/h2\u003e\u003cul\u003e\u003cli\u003eVerbinden Sie ihn mit jeder Luftpumpe mithilfe von gängigem\u003ca href=\"https:\/\/www.thehydrobros.com\/products\/4mm-air-line\"\u003e 4 mm Luftschlauch\u003c\/a\u003e oder \u003ca href=\"https:\/\/www.thehydrobros.com\/products\/8mm-airline-tubing\"\u003e8mm Luftschlauch\u003c\/a\u003e\u003c\/li\u003e\u003cli\u003eFür optimale Leistung vollständig eintauchen.\u003c\/li\u003e\u003cli\u003eVor der ersten Verwendung ausspülen, um Herstellungsstaub zu entfernen.\u003c\/li\u003e\u003cli\u003eFür maximale Sauerstoffanreicherung passen Sie einen Luftstein pro 10 bis 25 litres Behältervolumen an, je nach Pumpengröße.\u003c\/li\u003e\u003c\/ul\u003e\u003ch2\u003ePflegehinweise\u003c\/h2\u003e\u003cul\u003e\u003cli\u003eWenn die Luftströmung abnimmt, weichen Sie den Stein in warmem Wasser, um Mineralablagerungen zu entfernen.\u003c\/li\u003e\u003cli\u003eErsetzen Sie die Steine regelmäßig, um eine starke, gleichmäßige Belüftung zu gewährleisten.\u003c\/li\u003e\u003cli\u003eKombinieren Sie ihn mit einer größeren Pumpe, um die Blasendichte und den DO-Gehalt zu erhöhen.\u003c\/li\u003e\u003c\/ul\u003e\u003cp\u003eOb Sie Tiefwasser-Kulturen, einfache Eimersysteme oder große Umlaufanlagen betreiben – diese Luftsteine helfen, Ihre Nährlösung auf einem maximalen Sauerstoffgehalt zu halten für gesundes, kräftiges Pflanzenwachstum.\u003c\/p\u003e","brand":"HAILEA","offers":[{"title":"Hailea 4\" Polo Doughnut Air Stone","offer_id":57152860389749,"sku":"12950","price":3.0,"currency_code":"GBP","in_stock":true},{"title":"4\" Round Air Stone","offer_id":39635098108088,"sku":"1318","price":3.5,"currency_code":"GBP","in_stock":true},{"title":"4\" Solid Surround","offer_id":57152860422517,"sku":"12951","price":4.0,"currency_code":"GBP","in_stock":false},{"title":"6\" Round Air Stone","offer_id":39635098140856,"sku":"1319","price":5.95,"currency_code":"GBP","in_stock":true},{"title":"6\" Solid Surround","offer_id":57152860455285,"sku":"12952","price":7.95,"currency_code":"GBP","in_stock":true},{"title":"8\" Solid Surround","offer_id":39635098173624,"sku":"1320","price":14.95,"currency_code":"GBP","in_stock":true},{"title":"Golf Ball (50 x 50 x 5mm)","offer_id":56389521670517,"sku":"12398","price":1.45,"currency_code":"GBP","in_stock":true},{"title":"Cylinder Coke Can (50 x 100 x 6mm)","offer_id":56389521703285,"sku":"12399","price":6.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0561\/9092\/7032\/files\/hailea-air-pump-air-stones-hydroponic-air-stones-and-diffusers-for-oxygenation-and-root-health-1254944764.png?v=1787523612"},{"product_id":"air-dome","title":"Autopot - Air Dome","description":"\u003cp\u003eSupercharge your AutoPots by getting more air to the roots with the Air Dome. Because of the increased oxygen around the roots, it can increase growth by up to 50%.\u003c\/p\u003e\n\u003cp\u003eBigger, better plants in less time. Simply place an Air Dome in the bottom of the pot, fill with your usual growing medium, and connect the airline to an air pump.\u003c\/p\u003e\n\u003ch3\u003eHow the Air Dome Works\u003c\/h3\u003e\n\u003cp\u003eThe Air Dome is a dome-shaped piece of plastic mesh that houses a cross-section of porous tubing. It sits at the bottom of the container, buried underneath the substrate. When connected to an \u003ca href=\"https:\/\/www.thehydrobros.com\/collections\/air-pumps-air-stones\"\u003eair pump\u003c\/a\u003e (sold separately), the mesh protects the flow of air moving through the porous tubing towards the root zone.\u003c\/p\u003e\n\u003cp\u003eOxygen is essential for healthy roots. Because AutoPots are fed from underneath, supplying air to the container helps ensure the substrate doesn't become too soggy, which can lead to root diseases like Pythium. A plentiful oxygen supply creates a root-friendly environment with ongoing benefits from the earliest stages through to harvest.\u003c\/p\u003e\n\u003ch3\u003eHow to Use the Air Dome\u003c\/h3\u003e\n\u003cp\u003eInstall the Air Dome before transferring substrate into the AutoPot container. Connect 4 x 2 inch pieces of porous tubing to the outlets of the included cross connector, then connect the end of each to the four points around the inner circumference of the Air Dome. On the outer circumference, fit \u003ca href=\"https:\/\/www.thehydrobros.com\/products\/4mm-air-line\"\u003e4mm airline tubing\u003c\/a\u003e (sold separately) to the inlet point, with the other end attached to your air pump.\u003c\/p\u003e\n\u003cp\u003ePlace your \u003ca href=\"https:\/\/www.thehydrobros.com\/search?type=product\u0026amp;q=copper+root+control+sheet\"\u003ecopper root control disc\u003c\/a\u003e (supplied with the AutoPot) in the bottom of the container with the copper side facing up, then place the Air Dome on top. Make sure connections are secure before adding substrate to cover the dome.\u003c\/p\u003e\n\u003cp\u003eIf supplying multiple AutoPots from the same air pump, keep the airline tubing between the pump and each container at equal lengths, to maintain even pressure and oxygenate each container equally.\u003c\/p\u003e\n\u003cdiv style=\"background-color:#f5f3ff;border-left:4px solid #6d28d9;padding:14px 18px;margin:18px 0;border-radius:4px;\"\u003e\n\u003cstrong style=\"color:#5b21b6;\"\u003ePart of our Gravity-Fed Systems range:\u003c\/strong\u003e browse the full lineup in \u003ca href=\"https:\/\/www.thehydrobros.com\/collections\/bottom-fed-hydroponic-systems\"\u003eGravity-Fed Systems\u003c\/a\u003e.\u003c\/div\u003e","brand":"AUTOPOT","offers":[{"title":"Default Title","offer_id":39863018225848,"sku":"3552","price":5.35,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0561\/9092\/7032\/products\/autopot-grow-systems-autopot-air-dome-the-hydro-bros-1254943492.jpg?v=1787460371"},{"product_id":"hailea-flexible-rubber-air-curtains","title":"Hailea Flexible Rubber Air Curtains","description":"\u003cp\u003e\u003cstrong\u003eKeep your nutrient solution fully oxygenated with a flexible air curtain designed for strong aeration and maximum water movement.\u003c\/strong\u003e These rubber air curtains sit neatly along the bottom of any reservoir and can bend to fit square tanks, round tanks or awkward corners where standard airstones cannot reach.\u003c\/p\u003e\n\u003ch2\u003eHow the Hailea Flexible Rubber Air Curtain Works\u003c\/h2\u003e\n\u003cp\u003eThe air curtain is made from a porous, flexible rubber tube available in multiple lengths. An inlet fitting on the end connects directly to any air pump using standard airline tubing. Once submerged and powered, air is pushed through the thousands of micro pores in the rubber, releasing a dense stream of fine bubbles throughout the entire curtain.\u003c\/p\u003e\n\u003cp\u003eThese bubbles rise through the nutrient solution, creating strong movement that prevents stagnation and keeps the mix evenly blended. As the bubbles break the surface, oxygen dissolves into the water far more effectively than still water can achieve on its own.\u003c\/p\u003e\n\u003ch2\u003eWhy Aeration Matters\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eBoosts dissolved oxygen levels to support rapid root growth.\u003c\/li\u003e\n\u003cli\u003eKeeps nutrient solution circulating to prevent dead zones.\u003c\/li\u003e\n\u003cli\u003eDiscourages anaerobic conditions that can lead to root disease.\u003c\/li\u003e\n\u003cli\u003eSupports healthy aerobic microbes in the root zone.\u003c\/li\u003e\n\u003cli\u003eImproves nutrient uptake and overall plant development.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eBenefits of Using Air Curtains\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eFlexible design fits tank shapes that standard airstones cannot cover.\u003c\/li\u003e\n\u003cli\u003eCreates long, even bubble distribution for complete aeration.\u003c\/li\u003e\n\u003cli\u003eHighly effective in DWC, RDWC, recirculating tanks and mixing reservoirs.\u003c\/li\u003e\n\u003cli\u003eEasy to install and works with any standard hydroponic air pump.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eHow to Use\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eConnect the air curtain to your air pump with 4 mm airline tubing.\u003c\/li\u003e\n\u003cli\u003ePlace it flat at the bottom of your reservoir for best bubble spread.\u003c\/li\u003e\n\u003cli\u003eSubmerge fully before turning on air flow.\u003c\/li\u003e\n\u003cli\u003eRinse before first use to remove manufacturing dust.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eFor growers who want stable, oxygen rich nutrient solutions and healthier, faster growing root systems, an air curtain is one of the simplest and most effective upgrades you can add to your hydroponic setup.\u003c\/p\u003e","brand":"HAILEA","offers":[{"title":"12\"","offer_id":43446512713943,"sku":"7272","price":2.0,"currency_code":"GBP","in_stock":true},{"title":"24\"","offer_id":43446512746711,"sku":"7273","price":2.8,"currency_code":"GBP","in_stock":true},{"title":"36\"","offer_id":43446512779479,"sku":"7274","price":5.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0561\/9092\/7032\/products\/hailea-air-pump-air-stones-hailea-flexible-air-curtain-for-hydroponic-aeration-and-oxygenation-1254951575.jpg?v=1787307073"}],"url":"https:\/\/www.thehydrobros.com\/de\/collections\/air-stones-hydroponics.oembed","provider":"The Hydro Bros","version":"1.0","type":"link"}