CO2 Fluval

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.

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

Routine disc replacement is common in a CO2 system and should be switched out every few months to maintain optimal carbon dioxide delivery.