{"product_id":"fzone-aquarium-co-diffuser-l-size-33-mm-with-built-in-check-valve-and-bubble-counter","title":"FZONE Aquarium CO₂ Diffuser, L Size 33 mm with Built-In Check Valve and Bubble Counter","description":"\u003cp\u003eFZONE Acrylic Aquarium CO₂ Diffuser is an L-size diffuser for distributing CO₂ in planted aquariums, with a micro-pore ceramic disc and an integrated check valve.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eMicro-pore ceramic disc creates fine, evenly dispersed bubbles — helping CO₂ spread through the aquarium.\u003c\/li\u003e\n\u003cli\u003eBuilt-in check valve and water-fillable bubble counter — helps guard against backflow and lets you monitor CO₂ flow.\u003c\/li\u003e\n\u003cli\u003eClear, shatter-resistant acrylic — offers a glass-like view during operation.\u003c\/li\u003e\n\u003cli\u003eCeramic disc bonded to the chamber with a tight seal — helps maintain stable performance under pressure.\u003c\/li\u003e\n\u003cli\u003eL size, 33 mm, for aquariums of 32 gallons or more — includes a syringe, suction cup and tubing for setup.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eFor a planted aquarium using a CO₂ system, diffuser performance affects how CO₂ enters the water and spreads through the tank. This FZONE model combines bubble diffusion and flow monitoring in one acrylic unit, with a built-in feature designed to help prevent water from flowing back into the CO₂ system.\u003c\/p\u003e\u003ch3\u003eHow does this diffuser distribute CO₂?\u003c\/h3\u003e\u003cp\u003eThe micro-pore ceramic disc produces fine, evenly dispersed CO₂ bubbles that spread smoothly through the aquarium. This helps improve CO₂ distribution in the water, allowing plants to absorb CO₂ more effectively in setups that use aquarium CO₂.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eThe ceramic disc is permanently bonded to the bubble counter chamber.\u003c\/li\u003e\n\u003cli\u003eThe tight seal supports stable operation under pressure.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eHow do the check valve and bubble counter work?\u003c\/h3\u003e\u003cp\u003eThe integrated check valve helps prevent reverse water flow and protects the CO₂ system from backflow. Fill the chamber with water and it functions as a bubble counter, so you can monitor CO₂ flow during operation.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eValve and counter are built into the diffuser.\u003c\/li\u003e\n\u003cli\u003eThe water-filled chamber makes bubbles visible for flow monitoring.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eDoes the L size fit your aquarium, and what comes with it?\u003c\/h3\u003e\u003cp\u003eThe L version is 33 mm and is intended for aquariums holding 32 gallons or more. FZONE also offers S for tanks up to 13 gallons and M for tanks from 13–32 gallons, giving you size options for different aquarium capacities.\u003c\/p\u003e\u003cp\u003eA syringe, suction cup and tubing are included for installation and setup. The body is made from clear acrylic with glass-like clarity; acrylic is stronger and more durable than glass while remaining easy to observe during use. Its shatter-resistant construction provides an alternative to a glass diffuser.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eIncluded setup accessories: syringe, suction cup and tubing.\u003c\/li\u003e\n\u003cli\u003eTransparent acrylic makes the diffuser easy to observe in operation.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eThis diffuser suits planted-aquarium keepers who use a CO₂ system, want to monitor its flow, and need an L-size option for a tank of 32 gallons or more. Its ceramic disc, integrated valve and bubble-counter chamber bring diffusion and flow monitoring together in one acrylic unit.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What aquarium size is the FZONE Acrylic Aquarium CO₂ Diffuser L designed for?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: The FZONE Acrylic Aquarium CO₂ Diffuser L is 33 mm and is intended for aquariums holding 32 gallons or more.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What is included with the FZONE Acrylic Aquarium CO₂ Diffuser?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: The FZONE Acrylic Aquarium CO₂ Diffuser includes a syringe, suction cup and tubing for installation and setup.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"FZONE","offers":[{"title":"Default Title","offer_id":67854563410311,"sku":"B0GHR2JCH4","price":31.18,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1108\/7619\/7255\/files\/fzone-acrylic-aquarium-co2-diffuser-front-view.jpg?v=1793453970","url":"https:\/\/ardentpets.co.uk\/products\/fzone-aquarium-co-diffuser-l-size-33-mm-with-built-in-check-valve-and-bubble-counter","provider":"ArdentPets","version":"1.0","type":"link"}