Eheim Substrat is a bio-filter medium with a large settlement area for bacterial cultures & high performance. Eheim Substrat can be built up in one or more layers. It is a highly porous filter material made from sintered quartz. The surface structure offers the much-needed good purification bacteria very good colonization opportunities.

 

Highlights

Suitable for freshwater & saltwater.

Biological filtration.

Highly porous sintered quartz material.

Highly porous structure.

Excellent conditions for bacterial cultures.

Easy to clean.

Long life span.