Dennerle carbo bio style 120
Bio C○2 fertiliser system for freshwater aquarium. 
The essential carbon is produced by a 100% biological reaction.
Unlike conventional powder products, the unique C○2 gel guarantees a constant C○2 supply for at least 40 days.
Contents
Bio style reactor
C○2 hose
Carbo bio diffuser 
Carbo bio activator 
Carbo bio depot 120 gel