Bio CO2 fertilization system for freshwater aquariums from 10 to 40 l.Provides aquarium plants with their main nutrient, CO2, for healthy, vigorous growth, and also acts against algae... Easy to install: mix the bio-components with water in the reaction bottle, connect the hose to the diffuser - finished... Natural: CO2 production through biological fermentation process. Economical: 40 days of regular CO2 production thanks to an immediate and long-lasting buffer system. Bio-components can be purchased individually as refills... No need for pressurized CO2 cylinders. The system operates solely via a biological process.
