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. Fluval CO2 Permanent Test + visibly changes colour to indicate low, ideal or too high CO2 values + elegant real glass body (no plastic) + can be easily attached to the glass pane + indicator fluid only needs to be replaced approx. every 30 days.
Routine disc replacement is common in a CO2 system and should be switched out every few months to maintain optimal carbon dioxide delivery. Fluval Bio CO2 Diffuser + made of a clear, durable acrylic + high-quality ceramic disc creates an ultra-fine mist for optimized solubility and plant absorption + available in 3 sizes to suit most aquariums + suction cups included.
