Aquarium Black Bio Filter Balls 50 PCS X 1.4 Inch /200 PCS X 0.6 Inch / 100 PCS X 1.0 Inch Filter Media Bio Balls for Canisters Filters…

Description

These bio balls with sponge have lots of surface area for becteria to colonize the multi channels and providing plenty of water flow that allows nutrients to reach and support the bacterial colonizes. The inside sponge offering more surface area and better at catching smaller particulates, working perfect getting your fish tank water super clean and clear. These bio balls are light, textured and support large becteria. They are great for canister filters and pond filter and can be used in saltwa