Dennerle Bio Style 120

Bio CO2 fertilization system for freshwater aquariums

Complete set for uniform CO2 fertilization

Refillable reaction vessel made of stainless steel with pressure relief valve

With CO2 Constant Gel for at least 40 days of consistent CO2 production

For healthy, strong plants and bright colors

Carbon is the most important nutrient for aquarium plants

Refer to picture for more info.