About the refill pack
Tropica CO₂ System Bio Refill is used to restart CO₂ production when the mixture in the System Bio container has been used up. According to Tropica, one refill pack supplies the aquarium with approximately 60 more days of CO₂.
How to use it
Use the refill pack with Tropica CO₂ System Bio and follow the system instructions when adding the new mixture and activator.
Packaging
Contains one refill pack for Tropica CO₂ System Bio. Sold individually.
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