ZooBest Filter Granulate fine is a light, highly porous stone of vulcanic origin. Caused in the structure of ist surface it is especially suited for the insertion as biological filtermedium, as it offers excellent possibilities to the pollution reducing bacteries, to clean the water fast in a biological way. The granulate size is approx. 3-5 mm
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- 750 g Pack
- 3.0 kg bag
- 5.0 litres bag
- 10.0 litres bag