Fluval BIO CO2 Pro System 250L superworms or any food you want

or any food you want to dose into your tank but don’t want to see go right over the overflow

or someone with not as much time to devote to their system

- Unique Patented Technology - water flows in direct contact with the UV lamp

Easy-to-adjust temperature dial sets temperature 1ºF with every click

Fluval BIO CO2 Pro System 250L superworms or any food you wantThe ALL NEW Fluval Bio CO2 Pro system combines the safety of biological carbon dioxide production with the convenience of pressurized delivery. Offering simplicity and unparalleled performance in an easy to use format, Bio CO2 delivers reliable and controllable CO2 through the naturally occurring fermentation process. With safe, low pressure operation, it is the most secure, simple, and environmentally sustainable aquarium CO2 delivery system