Sera Biofibres - Rough

The Sera Biofibres, for biomechanical pre-filtering, effectively hold back coarse dirt particles. This is how you can protect the following filter media from coarse contamination and thus increase the biological effectiveness of the filter.

Sera Biofibres also serve as an excellent spawning substrate and as a hiding place for young fish. In addition, they are ideal for transporting shrimps, in the transport bag they hold the animals and ensure that they are less stressed.

Suitable for fresh, sea and pond water filtering!