ANS BIO BLOCK

Biological filtration media (mild alkaline)

Suitable for freshwater and saltwater use

High quality media with mini pores increasing effective surface area.

Has filtration surface 5 times more than conventional ceramic rings.

Slight alkaline(pH 7.5)

Use in trickle filter, top filter, sump filtration, pond filtration, internal filter, canister filter.

Act as a buffer to reduce pH drop.