CO2 Diffusers

The right CO2 diffuser dissolves the gas into the finest mist — every CO2Art aquarium diffuser carries a ceramic membrane made with nano-mist technology for the best dissolution rates.

Choose by tank volume: In-tank diffusers for smaller aquariums, In-line diffusers for larger tanks and an equipment-free aquascape. Acrylic, stainless steel and glass, in sizes to match your setup. Unsure which one? Our support team will gladly help.