{"product_id":"me-co2-regulator-ultra","title":"Me CO2 Regulator Ultra – Double-Chamber CO2 Regulator with Solenoid Valve","description":"\u003cp\u003e\u003cstrong\u003eThe Me CO2 Regulator Ultra is a double-chamber CO2 pressure regulator with an integrated solenoid valve, two pressure gauges and a bubble counter with check valve, made for refillable CO2 bottles with a W21.8 thread.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eSingle-chamber regulators often let the working pressure creep up as a bottle runs low, which can dump CO2 into the tank at the end of a cylinder. The double-chamber design of the Ultra keeps the output steady from a full bottle to an empty one, so the bubble rate you set is the bubble rate you keep.\u003c\/p\u003e\n\n\u003ch3\u003eKey specifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eConnection\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eW21.8 (refillable CO2 bottles)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMax. inlet pressure\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e150 bar\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWorking pressure\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0–6 bar, adjustable\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eGauges\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2 (bottle pressure and working pressure)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSolenoid valve\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e12 V DC, 2.5 W, power supply 100–240 V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCable length\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1.1 m\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e8.5 × 7.5 × 10.5 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.90 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eWhat's in the box?\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eCO2 pressure regulator with two gauges\u003c\/li\u003e\n\u003cli\u003eIntegrated solenoid valve with 12 V power supply\u003c\/li\u003e\n\u003cli\u003eBubble counter with integrated check valve\u003c\/li\u003e\n\u003cli\u003eInstruction manual\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow to set it up\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003eScrew the regulator onto a refillable CO2 bottle with a W21.8 valve.\u003c\/li\u003e\n\u003cli\u003eConnect CO2-resistant tubing from the bubble counter to your diffuser.\u003c\/li\u003e\n\u003cli\u003eOpen the bottle and set the working pressure on the regulator.\u003c\/li\u003e\n\u003cli\u003ePlug the solenoid into a timer so CO2 starts about 1–2 hours before the lights and stops about 1 hour before they switch off.\u003c\/li\u003e\n\u003cli\u003eFine-tune the bubble rate over a few days and watch a drop checker until it shows green.\u003c\/li\u003e\n\u003c\/ol\u003e\n\n\u003ch3\u003eFrequently asked questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eDoes it work with disposable CO2 cartridges?\u003c\/strong\u003e\u003cbr\u003eNo. The Ultra has a W21.8 connection for refillable bottles. Disposable cartridges use a different thread.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs a CO2 bottle included?\u003c\/strong\u003e\u003cbr\u003eNo. Pair it with the \u003ca href=\"\/products\/me-co2-refillable-bottle-2000g\"\u003eMe CO2 Refillable Bottle 2000 g\u003c\/a\u003e.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan I run two aquariums from one regulator?\u003c\/strong\u003e\u003cbr\u003eYes. Add the \u003ca href=\"\/products\/me-co2-extender-ultra\"\u003eMe CO2 Extender Ultra\u003c\/a\u003e to supply two diffusers from one bottle.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow do I know the CO2 level is right?\u003c\/strong\u003e\u003cbr\u003eUse a drop checker such as the \u003ca href=\"\/products\/me-co2-check-glass\"\u003eMe CO2 Check Glass\u003c\/a\u003e. Green means you are in the target range.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eBrand:\u003c\/strong\u003e Me  |  \u003cstrong\u003eCategory:\u003c\/strong\u003e CO2 pressure regulator  |  \u003cstrong\u003eConnection:\u003c\/strong\u003e W21.8\u003c\/p\u003e","brand":"Aquarium Boutique","offers":[{"title":"Default Title","offer_id":63698188337482,"sku":"15m01211","price":139.99,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0771\/3685\/5370\/files\/61.jpg?v=1790459445","url":"https:\/\/aquarium-boutique.com\/products\/me-co2-regulator-ultra","provider":"Aquarium Boutique","version":"1.0","type":"link"}