| sera biofibres coarse is a filter medium for the mechanical and biological prefiltration in fresh and saltwater aquariums. We recommend placement directly behind the filter inlet, because particles are effectively held back and do not enter the biologically active main filter media. sera biofibres coarse also serve as an excellent spawning medium and as hiding place for fry, as adult fish cannot enter the narrow meshes. |
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Sera biofibres coarse