Laguna Bio-Max Biological Filter Media 2 kg (4.4 lbs)

Laguna biological Bio-Max is ideal for underwater filters. Bio-Max promotes, protects and encourages beneficial bacteria in pond water resulting in a clean, clear pond.

The filter media has a large surface area and large number of perfectly sized pores to allow bacterial colonies to thrive which maintains a biological balance in pond water.

Size : 2 kg (4.4 lb)