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CO2 Fluval


Fluval Bio-CO2 Pro 125L
Fluval Bio-CO2 Pro 125L
Practical CO2 system for aquariums up to 125L
no pressurised gas cylinder necessary
safe & reliable, long range

The 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-friendly aquarium CO2 delivery system available.


Fluval Bio-CO2 Pro 125L
109.99 €*
Fluval Bio-CO2 Pro 250L
139.99 €*
Top-Seller!
Fluval Bio-CO2 Pro Refill
Fluval Bio-CO2 Pro Refill
activator for bio-CO2 system
CO2 for up to 4 months
simple & clean application

Fluval Bio-CO2 Pro Refill for refilling the Fluval Bio-CO2 systems. Contains 4x Activator and 4x Booster for up to 4 months of CO2 in the aquarium.


Fluval Bio-CO2 Pro Refill
9.49 €*
Fluval CO2 Permanent Test
Fluval CO2 Permanent Test
constantly displays the CO2 content
easily monitor CO2 levels
elegant glass body

The Fluval CO2 continuous test fulfils the important task of monitoring and permanently displaying the carbon dioxide content in the aquarium water.


Fluval CO2 Permanent Test
12.99 €*
CO2, Fluval
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