Mechanical-Biological
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Eheim - Mechanical-Biological Filter Media for Your Aquarium Filter!
Eheim BioMECH is a fusion of a mechanical and a biological filter medium for aquariums. It combines the advantages of both types of filtration: retaining suspended particles and dirt goes hand in hand with high biological bacterial activity thanks to the correspondingly porous structure of the filter material. The microorganisms that settle in the BioMech help to break down the dirt particles it has captured.
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