How Much do you know about the Biochemical Filter Foam Sponge Pad?

The above Biochemical Filter Foam can be cut into any sizes to fit your filters by a utility knife. It is good for both biological and mechanical filtration--offers more suface area for the beneficical nitrifying bacteria to colonize, eliminate toxic compounds and improve water quality; trap large bits of waste, and will not get clogged easily.

Porrosity: 15ppi/25ppi/35ppi/50ppi

Features:

--Excellent water permeability

--Can be used again after cleaning

--Can be cut customized

--Can be used in freshwater and marine water

--Cltivate the nitrifying bacteria for biolocgical filtration

--Offers good biochemical and physical fitration effects.