{"title":"Best Sellers","description":"Browse our aquarium accessories best sellers. Including build-in check valves, solenoids and regulators.","products":[{"product_id":"pro-se-series-aquarium-co2-dual-stage-regulator-with-integrated-solenoid","title":"PRO-SE Series - Aquarium CO2 Dual Stage Regulator with Integrated Solenoid","description":"\u003cp\u003eThe new generation of our most popular dual-stage CO2 regulator, redesigned with a new pressure-stabilising construction: much larger internal springs give safety and precision at the highest level.\u003c\/p\u003e\n\u003cp\u003eThe dual-stage design keeps the output pressure steady as the pressure in the cylinder drops and prevents an end-of-cylinder dump, so your livestock stays safe and the CO2 level constant.\u003c\/p\u003e\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSafe 12 V DC integrated solenoid valve\u003c\/li\u003e\n\u003cli\u003ePower adapter with universal voltage, 100–240 V\u003c\/li\u003e\n\u003cli\u003eAdjustable working pressure up to about 3 bar (40 psi) — right for tropical and marine aquariums alike\u003c\/li\u003e\n\u003cli\u003eNeedle valve and bubble counter with a built-in check valve included\u003c\/li\u003e\n\u003cli\u003eDual gauges: cylinder contents and working pressure\u003c\/li\u003e\n\u003cli\u003eCompatible with any size of CO2 cylinder, thanks to the two-stage construction\u003c\/li\u003e\n\u003cli\u003eThread to the UK, European, Japanese and Taiwanese standard (BS341 \/ DIN477 \/ W21.8) or CGA320 for North America\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe product manual is in our help centre.\u003c\/p\u003e","brand":"CO2Art","offers":[{"title":"BS341\/DIN477\/W21.8x14","offer_id":22144419204,"sku":"CA-PRO-SE-W21","price":164.99,"currency_code":"EUR","in_stock":true},{"title":"CGA320","offer_id":22144432644,"sku":"CA-PRO-SE-CGA","price":164.99,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0306\/3417\/files\/ProSE_1_f52a4c09-0646-484b-afaa-a35d52ae6064.jpg?v=1788961161"},{"product_id":"new-in-tank-bazooka-flux_-co2-diffuser-for-planted-aquariums","title":"In-Tank Bazooka Flux_ CO2 Diffuser for Planted Aquariums","description":"\u003cp\u003eThe V2 of our in-tank Bazooka Flux_ CO2 diffuser for planted aquariums, with a new, improved ceramic membrane. Two sizes: small for aquariums under 250 litres, large for aquariums over 250 litres.\u003c\/p\u003e\n\u003cp\u003eThe nano CO2 mist membrane gives excellent dissolution, the materials are durable and maintenance is easy — a diffuser for novices and expert aquascapers alike. It is used like a regular glass atomizer diffuser but dissolves more of the CO2.\u003c\/p\u003e\n\u003ch3\u003eHow a CO2 diffuser works\u003c\/h3\u003e\n\u003cp\u003eA diffuser makes the CO2 entering the aquarium easier for plants to take up and wastes less of it. As the gas passes through the porous membrane it breaks into streams of tiny bubbles; with their larger surface area they dissolve readily into the water and raise the CO2 saturation of the aquarium.\u003c\/p\u003e\n\u003ch3\u003eHow to use it\u003c\/h3\u003e\n\u003cp\u003eConnect the regulator to the diffuser with our CO2 tubing and tighten the safety nut. Set the regulator to at least 2 bar as a starting point; the diffuser needs a working pressure of at least 40 psi (about 2.8 bar) to work at its best. Allow a few minutes for the pressure to build up before the CO2 starts to pass through — it may not start instantly.\u003c\/p\u003e","brand":"CO2Art","offers":[{"title":"Small - For Aquariums below 250L","offer_id":497085925,"sku":"FLUX-S","price":27.99,"currency_code":"EUR","in_stock":true},{"title":"Large - For Aquariums above 250L","offer_id":14432414400554,"sku":"FLUX-L","price":30.99,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0306\/3417\/files\/Flux_1.jpg?v=1788962102"},{"product_id":"aquarium-co2-drop-checker-set","title":"CO2 Drop Checker Kit - CO2 Concentration Monitoring Set","description":"\u003cp\u003eA glass drop checker with everything you need to start reading the CO2 level of your aquarium: the 15 ml indicator solution and a suction cup are in the box. No mixing or preparation.\u003c\/p\u003e\n\u003cp\u003eMade of glass for reliability and designed for a professional's needs, the drop checker shows the amount of CO2 dissolved in the aquarium water through the colour of the pH reagent inside it — so you can tell whether the CO2 supply is right.\u003c\/p\u003e\n\u003ch3\u003eSize\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eOutside diameter: 3 cm\u003c\/li\u003e\n\u003cli\u003eHeight: 5.5 cm\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"CO2Art","offers":[{"title":"Default Title","offer_id":601300393,"sku":"CA-DC-GB","price":17.99,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0306\/3417\/files\/DropChecker_1_d4a17774-5df7-4ddf-a0f1-2facc103b311.jpg?v=1788961666"},{"product_id":"pro-se-series-complete-aquarium-co2-system-with-new-inline-co2-diffuser","title":"Pro-SE Series Complete Aquarium CO2 System with New Inline CO2 Diffuser","description":"\u003cp\u003eOur most popular dual-stage regulator and the accessories that go with it, for an aquarium with an external canister filter. Everything you need to start injecting CO2 through the filter is in the box.\u003c\/p\u003e\n\u003cp\u003eThe dual-stage construction keeps the output pressure steady as the pressure in the cylinder drops and prevents an end-of-cylinder dump, so your livestock stays safe and the CO2 level constant.\u003c\/p\u003e\n\u003ch3\u003eWhat is in the kit\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003ePRO-SE Series dual-stage CO2 regulator with an integrated solenoid\u003c\/li\u003e\n\u003cli\u003eAluminium bubble counter\u003c\/li\u003e\n\u003cli\u003eInline CO2 diffuser\u003c\/li\u003e\n\u003cli\u003eCO2 drop checker set\u003c\/li\u003e\n\u003cli\u003eCO2-resistant tubing\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe regulator comes with a CGA320 thread for North America or W21.8x14 (BS341 \/ DIN477) for Europe and the rest of the world — you choose it on this page. Not sure which? Our guide to cylinder connections in the help centre explains the two.\u003c\/p\u003e\n\u003cp\u003eFor an aquarium without an external filter there is the same kit with the in-tank Flux_ diffuser.\u003c\/p\u003e","brand":"CO2Art","offers":[{"title":"Default Title","offer_id":14488490836010,"sku":"","price":238.46,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0306\/3417\/files\/Set_SE_Inline_1_41cc1182-03e7-474d-9af9-68cc00b8368d.jpg?v=1788964799"},{"product_id":"pro-elite-series-complete-aquarium-co2-system-with-new-inline-co2-diffuser","title":"New Pro-Elite Series V2 Complete Aquarium CO2 System with New Inline CO2 Diffuser","description":"\u003cp\u003eThe highest-quality CO2 system on the aquarium market: our best-rated dual-stage regulator, the Pro-Elite Series V2, with the latest inline diffuser and the accessories that go with it — for an aquarium with an external canister filter.\u003c\/p\u003e\n\u003cp\u003eFor peace of mind, this regulator gives the best pressure stability and an unbeatable 10-year warranty. With the extendable manifold blocks you can add outlets and run several diffusers from one regulator.\u003c\/p\u003e\n\u003cp\u003eThe dual-stage construction keeps the output pressure steady as the pressure in the cylinder drops and prevents an end-of-cylinder dump, so your livestock stays safe and the CO2 level constant.\u003c\/p\u003e\n\u003ch3\u003eWhat is in the kit\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003ePro-Elite Series V2 dual-stage CO2 regulator with an integrated solenoid\u003c\/li\u003e\n\u003cli\u003eAluminium bubble counter\u003c\/li\u003e\n\u003cli\u003eInline CO2 diffuser\u003c\/li\u003e\n\u003cli\u003eCO2 drop checker set\u003c\/li\u003e\n\u003cli\u003eCO2-resistant tubing\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe regulator comes with a CGA320 thread for North America or W21.8x14 (BS341 \/ DIN477) for Europe and the rest of the world — you choose it on this page. Not sure which? Our guide to cylinder connections in the help centre explains the two.\u003c\/p\u003e\n\u003cp\u003eFor an aquarium without an external filter there is the same kit with the in-tank Flux_ diffuser.\u003c\/p\u003e","brand":"CO2Art","offers":[{"title":"Default Title","offer_id":14490186874922,"sku":"","price":349.46,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0306\/3417\/files\/Set_Elite_Inline_1_fd2c472f-ca46-4112-b50a-417a96a57748.jpg?v=1788965333"},{"product_id":"advance-professional-aquarium-co2-dual-stage-regulator-and-solenoid-magnetic-valve","title":"New Pro-Elite Series V2 - The Most Advanced Aquarium Dual Stage CO2 Regulator","description":"\u003cp\u003eThe new generation of our highest-rated dual-stage regulator, designed for aquarium safety and fine precision. Built for aquariums from 5 to 5,000 litres.\u003c\/p\u003e\n\u003cp\u003eThe dual-stage construction keeps the output pressure steady as the pressure in the cylinder drops, and prevents an end-of-cylinder dump whatever size of CO2 cylinder you use. The fully customised solenoid block carries an integrated medical-grade needle valve and a bubble counter.\u003c\/p\u003e\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSafe 12 V DC integrated solenoid valve\u003c\/li\u003e\n\u003cli\u003ePower adapter with universal voltage, 100–240 V\u003c\/li\u003e\n\u003cli\u003eAdjustable working pressure up to 5 bar\u003c\/li\u003e\n\u003cli\u003eStainless-steel dual gauges: cylinder contents and working pressure\u003c\/li\u003e\n\u003cli\u003eHigh-precision integrated needle valve\u003c\/li\u003e\n\u003cli\u003eBubble counter with a built-in check valve\u003c\/li\u003e\n\u003cli\u003eExtendable manifold block\u003c\/li\u003e\n\u003cli\u003eCompatible with any size of CO2 cylinder, thanks to the two-stage construction\u003c\/li\u003e\n\u003cli\u003eThread to the UK, European, Japanese and Taiwanese standard (BS341 \/ DIN477 \/ W21.8x14) or CGA320\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eMore than one aquarium?\u003c\/h3\u003e\n\u003cp\u003eAdd as many outlets as you like with the manifold block: one block per extra aquarium or diffuser, fitted or removed at any time.\u003c\/p\u003e\n\u003cp\u003eThe product manual and the installation video are in our help centre.\u003c\/p\u003e","brand":"CO2Art","offers":[{"title":"BS341 \/ DIN477 \/ W21.8x14","offer_id":1644187972,"sku":"CA-PRO-ELITE-W21","price":275.99,"currency_code":"EUR","in_stock":true},{"title":"CGA320","offer_id":1644332164,"sku":"CA-PRO-ELITE-CGA","price":275.99,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0306\/3417\/files\/elite_v2_1_2009a24f-342e-4069-a4be-d946501f1180.jpg?v=1788961271"},{"product_id":"new-co2art-inline-co2-aquarium-atomizer-diffuser-system","title":"CO2Art Inline CO2 Aquarium Atomizer Diffuser System","description":"\u003cp\u003eOur latest inline CO2 diffuser. It sits in the outlet hose of an external filter, so there is less equipment in the aquarium and a cleaner look — without giving your plants any less CO2.\u003c\/p\u003e\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eReplaceable ceramic membrane\u003c\/li\u003e\n\u003cli\u003eTwo sizes: 12\/16 mm and 16\/22 mm hose\u003c\/li\u003e\n\u003cli\u003eDurable, crack-resistant metal body\u003c\/li\u003e\n\u003cli\u003eNano CO2 mist membrane\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eGood to know\u003c\/h3\u003e\n\u003cp\u003eThis diffuser needs a working pressure of at least 30 psi (about 2 bar). Use CO2-rated tubing only, never silicone: the tubing must be acid-resistant and rated for high working pressure.\u003c\/p\u003e\n\u003cp\u003eFill the bubble counter with water only — bubble counter fluids and oils contaminate the diffuser.\u003c\/p\u003e\n\u003ch3\u003eHow a CO2 diffuser works\u003c\/h3\u003e\n\u003cp\u003eA diffuser makes the CO2 entering the aquarium easier for plants to take up and wastes less of it. As the gas passes through the porous membrane it breaks into streams of tiny bubbles; with their larger surface area they dissolve readily into the water and raise the CO2 saturation of the aquarium.\u003c\/p\u003e","brand":"CO2Art","offers":[{"title":"Hose Size 12\/16mm - 13mm","offer_id":14020619403306,"sku":"CA-V1-13","price":47.99,"currency_code":"EUR","in_stock":true},{"title":"Hose Size 16\/22mm - 17mm","offer_id":14443871731754,"sku":"CA-V1-17","price":52.99,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0306\/3417\/files\/InineDiffuserV1_1.jpg?v=1788961958"},{"product_id":"new-pro-series-co2-adapter-for-paintball-sodastream-disposable","title":"New Pro-Series CO2 Adapter for Paintball - Sodastream - Disposable","description":"\u003cp\u003eThe Pro-Series CO2 adapter lets a CO2Art regulator run from a Sodastream, paintball or disposable (M10x1) bottle. Choose the bottle type — Sodastream (also the Australia\/Oceania version), paintball or disposable — and the outlet thread of your regulator, CGA320 or W21.8x14 (BS341 \/ DIN477).\u003c\/p\u003e\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eAdjustable precision on\/off pin valve\u003c\/li\u003e\n\u003cli\u003eElbow design, so the regulator sits horizontally as it should\u003c\/li\u003e\n\u003cli\u003eAnti-corrosion, durable materials that keep their look for years\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eRight for a nano aquarium, a tight space, or the weeks while your main cylinder is away for a refill.\u003c\/p\u003e","brand":"CO2Art","offers":[{"title":"Sodastream \/ CGA320","offer_id":31079142260778,"sku":"CA-AA-SS-CGA","price":27.99,"currency_code":"EUR","in_stock":true},{"title":"Paintball \/ BS341\/DIN477\/W21.8x14","offer_id":31079142293546,"sku":"CA-AA-PBA-W21","price":27.99,"currency_code":"EUR","in_stock":true},{"title":"Paintball \/ CGA320","offer_id":31079142326314,"sku":"CA-AA-PBA-CGA","price":27.99,"currency_code":"EUR","in_stock":true},{"title":"Disposable \/ BS341\/DIN477\/W21.8x14","offer_id":31079142359082,"sku":"CA-AA-M10-W21","price":27.99,"currency_code":"EUR","in_stock":false},{"title":"Sodastream \/ Australia\/Oceania - W21.8x14","offer_id":39998255497258,"sku":"CA-AA-SS-O-W21","price":27.99,"currency_code":"EUR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0306\/3417\/files\/CO2_Adapter_1.jpg?v=1788961630"},{"product_id":"new-io-diffuser-acrylic-series-in-tank-co2-diffuser","title":"NEW IO Diffuser - Acrylic Series - In-Tank CO2 Diffuser","description":"\u003cp\u003eThe IO diffuser, Acrylic Series: the world's finest dissolution rate with an easily replaceable ceramic membrane, in a sturdy acrylic body that protects it from cracks and knocks. Two sizes: small for aquariums under 150 litres, large for aquariums over 150 litres.\u003c\/p\u003e\n\u003cp\u003eThe nano CO2 mist membrane gives excellent dissolution, the materials are durable and maintenance is easy — a diffuser for novices and expert aquascapers alike. It is used like a regular glass atomizer diffuser but dissolves more of the CO2.\u003c\/p\u003e\n\u003ch3\u003eHow a CO2 diffuser works\u003c\/h3\u003e\n\u003cp\u003eA diffuser makes the CO2 entering the aquarium easier for plants to take up and wastes less of it. As the gas passes through the porous membrane it breaks into streams of tiny bubbles; with their larger surface area they dissolve readily into the water and raise the CO2 saturation of the aquarium.\u003c\/p\u003e\n\u003ch3\u003eHow to use it\u003c\/h3\u003e\n\u003cp\u003eConnect your CO2 tubing to the diffuser and set the regulator to at least 2 bar as a starting point. Let the diffuser soak in the aquarium water for at least four hours before you pressurise it, and allow a few minutes for the pressure to build up before the CO2 starts to pass through — it may not start instantly.\u003c\/p\u003e\n\u003cp\u003eAt first the diffuser produces large bubbles around the ring. Over the first 24 hours the ceramic pores fill with water and the bubbles shrink to their proper size.\u003c\/p\u003e","brand":"CO2Art","offers":[{"title":"Large - For Aquariums above 150L","offer_id":39285565521962,"sku":"CA-IOD-AS-L","price":21.99,"currency_code":"EUR","in_stock":true},{"title":"Small - For Aquariums below 150L","offer_id":39285565489194,"sku":"CA-IOD-AS-S","price":19.99,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0306\/3417\/files\/IO_Diffuser_1.jpg?v=1788961725"},{"product_id":"new-io-diffuser-stainless-steel-series-in-tank-co2-diffuser","title":"NEW IO Diffuser - Stainless Steel Series - In-Tank CO2 Diffuser","description":"\u003cp\u003eThe IO diffuser, Stainless Steel Series: the world's finest dissolution rate with an easily replaceable ceramic membrane, in a stylish stainless-steel body that gives your setup a touch of luxury. Two sizes: small for aquariums under 150 litres, large for aquariums over 150 litres.\u003c\/p\u003e\n\u003cp\u003eThe nano CO2 mist membrane gives excellent dissolution, the materials are durable and maintenance is easy — a diffuser for novices and expert aquascapers alike. It is used like a regular glass atomizer diffuser but dissolves more of the CO2.\u003c\/p\u003e\n\u003ch3\u003eHow a CO2 diffuser works\u003c\/h3\u003e\n\u003cp\u003eA diffuser makes the CO2 entering the aquarium easier for plants to take up and wastes less of it. As the gas passes through the porous membrane it breaks into streams of tiny bubbles; with their larger surface area they dissolve readily into the water and raise the CO2 saturation of the aquarium.\u003c\/p\u003e\n\u003ch3\u003eHow to use it\u003c\/h3\u003e\n\u003cp\u003eConnect your CO2 tubing to the diffuser and set the regulator to at least 2 bar as a starting point. Let the diffuser soak in the aquarium water for at least two hours before you pressurise it, and allow a few minutes for the pressure to build up before the CO2 starts to pass through — it may not start instantly.\u003c\/p\u003e\n\u003cp\u003eAt first the diffuser produces large bubbles around the ring. Over the first 24 hours the ceramic pores fill with water and the bubbles shrink to their proper size.\u003c\/p\u003e","brand":"CO2Art","offers":[{"title":"Large - For Aquariums above 150L","offer_id":39285575024682,"sku":"CA-IOD-SS-L","price":39.99,"currency_code":"EUR","in_stock":false},{"title":"Small - For Aquariums below 150L","offer_id":39285575057450,"sku":"CA-IOD-SS-S","price":34.99,"currency_code":"EUR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0306\/3417\/files\/IO_StainlessSteel_1.jpg?v=1788961753"}],"url":"https:\/\/gr.co2art.eu\/collections\/best-sellers.oembed","provider":"CO2Art.eu","version":"1.0","type":"link"}