{"id":29604,"date":"2026-08-02T12:17:43","date_gmt":"2026-08-02T02:17:43","guid":{"rendered":"https:\/\/www.greenaquarium.com.au\/?post_type=product&#038;p=29604"},"modified":"2026-08-02T15:33:53","modified_gmt":"2026-08-02T05:33:53","slug":"glass-inline-co2-diffuser","status":"publish","type":"product","link":"https:\/\/www.greenaquarium.com.au\/?product=glass-inline-co2-diffuser","title":{"rendered":"Glass Inline CO2 Diffuser"},"content":{"rendered":"<p class=\"font-claude-response-body break-words whitespace-normal\" dir=\"ltr\">Achieve efficient, bubble-free CO2 diffusion with the TNA Glass Inline CO2 Diffuser. Designed to be plumbed directly into your external canister filter&#8217;s outflow line, this diffuser uses a ceramic diffusion disc to break CO2 gas into a fine mist of micro-bubbles as your filter&#8217;s water flow passes through it \u2014 maximising contact time and dissolution efficiency before the water re-enters your aquarium.<\/p>\n<p class=\"font-claude-response-body break-words whitespace-normal\" dir=\"ltr\">Because it sits inline with your existing filter tubing rather than hanging inside the tank, the TNA Inline Diffuser keeps your aquascape completely free of visible equipment, giving you a clean, unobstructed view of your planted tank.<\/p>\n<p class=\"font-claude-response-body break-words whitespace-normal\" dir=\"ltr\"><strong>Key Features<\/strong><\/p>\n<ul class=\"[li_&amp;]:mb-0 [li_&amp;]:mt-1 [li_&amp;]:gap-1 [&amp;:not(:last-child)_ul]:pb-1 [&amp;:not(:last-child)_ol]:pb-1 list-disc flex flex-col gap-1 pl-8 mb-3 print:block print:space-y-1\" dir=\"ltr\">\n<li class=\"font-claude-response-body whitespace-normal break-words pl-2\">Inline installation \u2014 connects directly into external filter tubing<\/li>\n<li class=\"font-claude-response-body whitespace-normal break-words pl-2\">Ceramic diffusion disc breaks CO2 into fine micro-bubbles for maximum dissolution<\/li>\n<li class=\"font-claude-response-body whitespace-normal break-words pl-2\">Crafted from clear glass for a clean, unobtrusive look with no visible equipment in the tank<\/li>\n<li class=\"font-claude-response-body whitespace-normal break-words pl-2\">No hanging hardware or in-tank placement required<\/li>\n<li class=\"font-claude-response-body whitespace-normal break-words pl-2\">Available in two sizes to fit different filter tubing diameters<\/li>\n<\/ul>\n<p class=\"font-claude-response-body break-words whitespace-normal\" dir=\"ltr\"><strong>Available Sizes<\/strong><\/p>\n<ul class=\"[li_&amp;]:mb-0 [li_&amp;]:mt-1 [li_&amp;]:gap-1 [&amp;:not(:last-child)_ul]:pb-1 [&amp;:not(:last-child)_ol]:pb-1 list-disc flex flex-col gap-1 pl-8 mb-3 print:block print:space-y-1\" dir=\"ltr\">\n<li class=\"font-claude-response-body whitespace-normal break-words pl-2\">12\/16mm (fits standard 12mm ID \/ 16mm OD tubing)<\/li>\n<li class=\"font-claude-response-body whitespace-normal break-words pl-2\">16\/22mm (fits standard 16mm ID \/ 22mm OD tubing)<\/li>\n<\/ul>\n<p class=\"font-claude-response-body break-words whitespace-normal\" dir=\"ltr\"><em>(Please check your external filter&#8217;s inlet\/outlet tubing diameter before choosing a size)<\/em><\/p>\n<p class=\"font-claude-response-body break-words whitespace-normal\" dir=\"ltr\"><strong>Why Choose an Inline Diffuser<\/strong><\/p>\n<ul class=\"[li_&amp;]:mb-0 [li_&amp;]:mt-1 [li_&amp;]:gap-1 [&amp;:not(:last-child)_ul]:pb-1 [&amp;:not(:last-child)_ol]:pb-1 list-disc flex flex-col gap-1 pl-8 mb-3 print:block print:space-y-1\" dir=\"ltr\">\n<li class=\"font-claude-response-body whitespace-normal break-words pl-2\">Eliminates visible diffusers, drop checkers, or bubble counters cluttering your aquascape<\/li>\n<li class=\"font-claude-response-body whitespace-normal break-words pl-2\">Uses your existing filter&#8217;s flow rate to drive CO2 dissolution \u2014 no extra pump or powerhead needed<\/li>\n<li class=\"font-claude-response-body whitespace-normal break-words pl-2\">Glass construction won&#8217;t cloud, discolour, or leach chemicals over time<\/li>\n<li class=\"font-claude-response-body whitespace-normal break-words pl-2\">Ceramic disc provides fine, consistent micro-bubble diffusion for efficient CO2 uptake by plants<\/li>\n<\/ul>\n<p class=\"font-claude-response-body break-words whitespace-normal\" dir=\"ltr\"><strong>Installation Note<\/strong><br \/>\nInstall by cutting into your external filter&#8217;s outflow tubing at a convenient point and connecting the diffuser inline. Ensure the correct size is selected to match your tubing diameter for a secure, leak-free fit.<\/p>\n<p class=\"font-claude-response-body break-words whitespace-normal\" dir=\"ltr\"><strong>Ideal For<\/strong><br \/>\nCO2-injected planted aquariums using external canister filters, aquascapers wanting a clutter-free tank with no visible diffusion equipment, and anyone looking to upgrade from a standard in-tank diffuser to a more efficient inline solution.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>A glass inline CO2 diffuser that connects directly to your external filter tubing, using a ceramic disc for fine, efficient CO2 diffusion \u2014 completely hidden from view inside the tank. Available in 12\/16mm and 16\/22mm sizes.<\/p>\n","protected":false},"featured_media":29649,"comment_status":"open","ping_status":"closed","template":"","meta":[],"product_brand":[],"product_cat":[132],"product_tag":[],"class_list":["post-29604","product","type-product","status-publish","has-post-thumbnail","product_cat-supplies","first","instock","shipping-taxable","purchasable","product-type-variable"],"jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/www.greenaquarium.com.au\/index.php?rest_route=\/wp\/v2\/product\/29604","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.greenaquarium.com.au\/index.php?rest_route=\/wp\/v2\/product"}],"about":[{"href":"https:\/\/www.greenaquarium.com.au\/index.php?rest_route=\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/www.greenaquarium.com.au\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=29604"}],"version-history":[{"count":1,"href":"https:\/\/www.greenaquarium.com.au\/index.php?rest_route=\/wp\/v2\/product\/29604\/revisions"}],"predecessor-version":[{"id":29608,"href":"https:\/\/www.greenaquarium.com.au\/index.php?rest_route=\/wp\/v2\/product\/29604\/revisions\/29608"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.greenaquarium.com.au\/index.php?rest_route=\/wp\/v2\/media\/29649"}],"wp:attachment":[{"href":"https:\/\/www.greenaquarium.com.au\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=29604"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/www.greenaquarium.com.au\/index.php?rest_route=%2Fwp%2Fv2%2Fproduct_brand&post=29604"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/www.greenaquarium.com.au\/index.php?rest_route=%2Fwp%2Fv2%2Fproduct_cat&post=29604"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/www.greenaquarium.com.au\/index.php?rest_route=%2Fwp%2Fv2%2Fproduct_tag&post=29604"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}