{"product_id":"co2-diffuser-bubble-counter-check-valve-aquarium-fish-tank","title":"CO2 Diffuser with Bubble Counter \u0026 Check Valve | Aquarium","description":"\n\u003ch2\u003eCO2 Diffuser with Bubble Counter \u0026amp; Integrated Check Valve for Aquarium Fish Tanks\u003c\/h2\u003e\n\u003cp\u003eElevate your planted aquarium with this high-efficiency \u003cstrong\u003eCO2 External Diffuser\u003c\/strong\u003e, engineered to maximize carbon dioxide dissolution and support lush, thriving aquatic plant growth. Whether you're setting up a freshwater planted tank or a marine aquascape, this all-in-one unit delivers consistent, fine CO2 mist for optimal plant health.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHigh Molecular PE Ceramic Diffuser Plate:\u003c\/strong\u003e Produces ultra-fine CO2 micro-bubbles that dissolve completely into the water column, ensuring maximum CO2 uptake by your aquatic plants.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBuilt-In Bubble Counter:\u003c\/strong\u003e Allows you to visually monitor and precisely control your CO2 injection rate at a glance — no separate counter needed.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eIntegrated Check Valve:\u003c\/strong\u003e Prevents backflow of water into your CO2 system, protecting your regulator and CO2 source from damage.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eExternal Installation:\u003c\/strong\u003e Connects easily to your external filter outlet (12\/16mm, 16\/22mm, or 19\/25mm diameter tubing) for a clean, clutter-free aquarium interior.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSuction Cup Mounting:\u003c\/strong\u003e Alternatively, mount directly to your aquarium glass using the included strong suction cups for flexible placement.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUniversal Compatibility:\u003c\/strong\u003e Suitable for both freshwater and saltwater aquariums.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eNo Batteries or Power Required:\u003c\/strong\u003e Operates passively using your existing CO2 supply system.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCompatible Tube Diameters:\u003c\/strong\u003e 12\/16mm, 16\/22mm, 19\/25mm\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePackage Dimensions:\u003c\/strong\u003e 9.8 x 6.46 x 2.32 inches; 7.58 oz\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePower Required:\u003c\/strong\u003e None\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBattery Included:\u003c\/strong\u003e No\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUse:\u003c\/strong\u003e Freshwater \u0026amp; Saltwater Aquariums\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCountry of Origin:\u003c\/strong\u003e Made in China\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhy CO2 Diffusion Matters for Your Planted Tank\u003c\/h3\u003e\n\u003cp\u003eCarbon dioxide is one of the three essential elements — along with light and nutrients — that aquatic plants need to photosynthesize and flourish. A quality CO2 diffuser ensures your plants receive a steady, well-dissolved supply of CO2, leading to vibrant green leaves, faster growth, and a healthier, more balanced ecosystem. Learn more about aquatic plant care and planted tank science at the USDA and \u003ca href=\"https:\/\/www.epa.gov\/watersense\" target=\"_blank\" rel=\"noopener noreferrer\"\u003eEPA WaterSense\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003ch3\u003eWhat's in the Box\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1 × CO2 External Diffuser with Integrated Bubble Counter \u0026amp; Check Valve\u003c\/li\u003e\n  \u003cli\u003eSuction cup mounting accessories\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: What tube sizes is this CO2 diffuser compatible with?\u003c\/h4\u003e\n\u003cp\u003eA: This aquarium CO2 diffuser is compatible with 12\/16mm, 16\/22mm, and 19\/25mm diameter water tubes, making it suitable for most standard external filter setups and CO2 systems.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Can I use this CO2 diffuser in a saltwater aquarium?\u003c\/h4\u003e\n\u003cp\u003eA: Yes! This CO2 external diffuser is designed for use in both freshwater and saltwater (marine) aquariums, offering flexible compatibility for a wide range of aquatic setups.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Do I need any extra equipment to use this diffuser?\u003c\/h4\u003e\n\u003cp\u003eA: You will need an existing CO2 system (CO2 cylinder and regulator) to supply carbon dioxide. The diffuser itself requires no batteries or external power — it connects directly to your external filter outlet or mounts to your aquarium glass via suction cups.\u003c\/p\u003e\n\n\u003ch4\u003eQ: How does the integrated check valve protect my CO2 system?\u003c\/h4\u003e\n\u003cp\u003eA: The built-in check valve prevents water from flowing back into your CO2 regulator and cylinder if pressure drops, protecting your equipment from water damage and maintaining a safe, stable CO2 injection system.\u003c\/p\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What tube sizes is this CO2 diffuser compatible with?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"This aquarium CO2 diffuser is compatible with 12\/16mm, 16\/22mm, and 19\/25mm diameter water tubes, making it suitable for most standard external filter setups and CO2 systems.\"}}, {\"@type\": \"Question\", \"name\": \"Can I use this CO2 diffuser in a saltwater aquarium?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes! This CO2 external diffuser is designed for use in both freshwater and saltwater (marine) aquariums, offering flexible compatibility for a wide range of aquatic setups.\"}}, {\"@type\": \"Question\", \"name\": \"Do I need any extra equipment to use this diffuser?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"You will need an existing CO2 system (CO2 cylinder and regulator) to supply carbon dioxide. The diffuser itself requires no batteries or external power — it connects directly to your external filter outlet or mounts to your aquarium glass via suction cups.\"}}, {\"@type\": \"Question\", \"name\": \"How does the integrated check valve protect my CO2 system?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The built-in check valve prevents water from flowing back into your CO2 regulator and cylinder if pressure drops, protecting your equipment from water damage and maintaining a safe, stable CO2 injection system.\"}}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"BreadcrumbList\", \"itemListElement\": [{\"@type\": \"ListItem\", \"position\": 1, \"name\": \"Home\", \"item\": \"https:\/\/kujrmc-0q.myshopify.com\/\"}, {\"@type\": \"ListItem\", \"position\": 2, \"name\": \"Home \u0026 Living\", \"item\": \"https:\/\/kujrmc-0q.myshopify.com\/collections\/home-living\"}, {\"@type\": \"ListItem\", \"position\": 3, \"name\": \"CO2 Diffuser with Bubble Counter \u0026 Check Valve | Aquarium\", \"item\": \"https:\/\/kujrmc-0q.myshopify.com\/products\/co2-diffuser-bubble-counter-check-valve-aquarium-fish-tank\"}]}\u003c\/script\u003e","brand":"Vue","offers":[{"title":"atmanco2diffsure","offer_id":48756573405376,"sku":"14:29#atmanco2diffsure","price":50.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0772\/9338\/7968\/files\/Sffa65bd0e3ac468899d3f6c14e496733V.webp?v=1786295655","url":"https:\/\/vueselect.com\/products\/co2-diffuser-bubble-counter-check-valve-aquarium-fish-tank","provider":"Vue","version":"1.0","type":"link"}