CO2 Diffusers & Reactors

GLA Infinite Nature Reactor SS/4.5L - Stainless Steel Aquarium CO2 Reactor (16/22mm) Experience GLA's Infinite Nature aquarium CO2 Reactor, solid stainless steel, heavy duty, professional CO2 reactor for freshwater planted aquariums. Handcrafted...

GLA Infinite Nature Reactor SS/5.2L - Stainless Steel Aquarium CO2 Reactor (16/22mm) Experience GLA's Infinite Nature aquarium CO2 Reactor, solid stainless steel, heavy duty, professional CO2 reactor for freshwater planted aquariums. Handcrafted...

External CO2 reactor for high efficiency CO2 dissolution by internal whirlpool waterflow, allowing 100% CO2 dissolution in aquarium water. Made of highest quality food grade materials. mount outside aquarium tank, inline within outflow tubing of...

External CO2 reactor for high efficiency CO2 dissolution by internal whirlpool waterflow, allowing 100% CO2 dissolution in aquarium water. Made of highest quality food grade materials. mount outside aquarium tank, inline within outflow tubing of...

Replacement set of hose barbs for 16/22mm CO2 reactor

Our aluminum CO2 diffuser is designed to be installed outside of the aquarium, inline within the outflow tubing of your canister filter, either below the aquarium or mounted to the aquarium glass. This diffuser is capable of 100% dissolution of CO2 in...

Replacement ceramic tube for GLA Aluminum Inline CO2 Diffuser, select appropriate size 16/22mm or 12/16mm.

Replacement fine mist ceramic disc for GLA Acrylic CO2 diffuser with check valve 25cm and 35cm. (Ceramic disc only, diffuser not included) Handle diffuser carefully, do not touch ceramic.  

GLA Acrylic CO2 diffuser with check valve and replaceable fine mist ceramic disc for years of elegant and truly effective CO2 diffusion. Built in external check valve. Suction cups included. Use with rimless nature aquariums. Features replaceable...

Our GLA Acrylic diffuser with ceramic disc creates a super fine mist of CO2 bubbles in the aquarium. Features a classic, timeless appearance to blend in to any aquascape and planted aquarium installation while looking beautiful. Recommended for aquariums...

Our GLA Acrylic diffuser with ceramic disc creates a super fine mist of CO2 bubbles in the aquarium. Features a classic, timeless appearance to blend in to any aquascape and planted aquarium installation while looking beautiful. Recommended for aquariums...

Creates a fine mist diffusion of CO2 in aquarium water for excellent dissolution of CO2 in the aquarium water. Suitable for aquarium tanks < 60cm length 6mm diameter ceramic diffuser Important Instructions... This professional quality diffuser...

Creates a fine mist diffusion of CO2 in aquarium water for excellent dissolution of CO2 in the aquarium water. Suitable for aquarium tanks > 60cm length 8mm diameter ceramic diffuser Important Instructions... This professional quality diffuser...

Featuring the world's finest and highest CO2 diffusion rate, our Atomic CO2 diffuser creates supreme diffusion of CO2 in aquarium water. CO2 is capable of 100% dissolution in the aquarium water. Creates a super fine mist of CO2 bubbles, bubble size is...

Featuring the world's finest and highest CO2 diffusion rate, our Atomic CO2 diffuser creates supreme diffusion of CO2 in aquarium water. CO2 is capable of 100% dissolution in the aquarium water. Creates a super fine mist of CO2 bubbles, bubble size is...

Featuring the world's finest and highest CO2 diffusion rate, our Atomic CO2 diffuser creates supreme diffusion of CO2 in aquarium water. CO2 is capable of 100% dissolution in the aquarium water. Creates a super fine mist of CO2 bubbles, bubble size is...

Featuring the world's finest and highest CO2 diffusion rate, our Atomic+ CO2 diffuser creates supreme diffusion of CO2 in aquarium water. CO2 is capable of 100% dissolution in the aquarium water. Atomic+ series features fixed suction cups and abuilt-in...

Featuring the world's finest and highest CO2 diffusion rate, our Atomic+ CO2 diffuser creates supreme diffusion of CO2 in aquarium water. CO2 is capable of 100% dissolution in the aquarium water. Atomic+ series features fixed suction cups and a built-in...

Featuring the world's finest and highest CO2 diffusion rate, our Atomic+ CO2 diffuser creates supreme diffusion of CO2 in aquarium water. CO2 is capable of 100% dissolution in the aquarium water. Atomic+ series features fixed suction cups and abuilt-in...

Featuring the world's finest and highest CO2 diffusion rate, our Atomic CO2 diffuser creates supreme diffusion of CO2 in aquarium water. CO2 is capable of 100% dissolution in the aquarium water. Designed to be installed outside of the aquarium, inline...

Featuring the world's finest and highest CO2 diffusion rate, our Atomic CO2 diffuser creates supreme diffusion of CO2 in aquarium water. CO2 is capable of 100% dissolution in the aquarium water. Designed to be installed outside of the aquarium, inline...

Featuring the world's finest and highest CO2 diffusion rate, our Atomic CO2 diffuser creates supreme diffusion of CO2 in aquarium water. CO2 is capable of 100% dissolution in the aquarium water. Designed to be installed outside of the aquarium, inline...

For use with the Atomic diffuser series, not compatible with the Atomic+ CO2 diffusers.  Can also be used as suction cup holder channels for CO2 tubing

Replacement threaded CO2 tubing cap. Universal fit for CO2 products on our website only, including all CO2 regulators, diffusers, bubble counters with black threaded tubing caps.