Hobby 20040 Absorbex micro, 700 g

Ceramic high-performance filter material Pore channels of the sintered glass rings ensure optimal water and oxygen flow Pore size provides nitrosomas and nitrobacter bacteria optimal habitat 1 litre corresponds to more than 4 basketball fields with 1,200 m² inner surface For fresh and sea water Sufficient for approx. 6 months in 200 litre aquariums with medium fish stock