Cascade 500 Canister Filter Replacement Bio Sponge, 1 count Star Trek Pack: 4 pads

Pack: 4 pads

These vitamin-enriched pellets are easy to feed and taste great for fast acceptance

aquarium fish tanks

Toy made from multiple materials to keep birds interested

Compatible with light fixtures and strip lights

Cascade 500 Canister Filter Replacement Bio Sponge, 1 count Star Trek Pack: 4 padsThe Cascade 500 Canister Filter Replacement Bio Sponge helps keep your aquarium water clean. The sponge removes ammonia and nitrites from you aquarium water keeping your tank healthy. This bio sponge also optimizes the colonization of beneficial aerobic bacteria which prevents cloudy water and excess CO2 which can be harmful. Made specifically to fit the Cascade 500 canister filter; this replacement bio sponge fits securely without gaps that lead to