siporax 15 mm - 1000 ml

Filter medium

The power package for your filter  – get the best water quality thanks to optimum biological water purification in your freshwater or marine tank.

sera siporax is a filter medium with intensive biological action for all biological internal, external and trickle filter systems. As a highly efficient long-term filter medium, sera siporax is especially suitable for small biological filters.

External colonizable area per litre:
0,3 m²

Total colonizable area per litre:
270 m²