2509751 - EHEIM SUBSTRAT (5l)

SUBSTRAT by EHEIM - Standard bio-filter medium with large colonisation area for bacteria cultures and high efficiency

SUBSTRAT by EHEIMcan be layered in one or more layers. It is a highly porous filter material made from sintered glass. The surface structure offers the important purification bacteria excellent colonisation conditions. The colonisable area amounts to 450 m² per litre.

SUBSTRAT by EHEIM is suitable for fresh and marine water, is washable and can be reused.

advice:

Never clean or change all the filter media together in one operation (and never clean too rigorously). The bacteria cultures must not be completely destroyed, otherwise re-colonisation will be retarded. The filter baskets in the external filters and filter modules in the internal filters aquaball an biopower are ideal for partial cleaning.