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.
20492 - Laguna PowerFalls Spillway Bio Media (MPN PT492)
$18.95 | 47 Points