Dennerle Plants CO2 Starter Refill

CO2 Starter Refill is the refill package for the Bio CO2 system. It allows an additional 60 days of CO2 production as a cost-effective addition of the important nutrient for aquatic plants.

Contains: 
CO2 Powder Mix, CO2 Activator 5x

Tip: For best results, follow the detailed instructions in the package for use and refill the CO2 Activator every 14 days or when CO2 production has dropped to 5 bubbles per minute.