Ken's Replacement Sponge for Bio Sponge Filter #25 c2 filter case Plant roots easily penetrate and

Plant roots easily penetrate and spread throughout the substrate

These biscuits also provide beneficial bacteria to support digestive health

Max height 10

In the final two stages

The inclusion of mealworms and other carefully selected and tasty ingredients make this a delicious offering most tropical fish immediately attack

Ken's Replacement Sponge for Bio Sponge Filter #25 c2 filter case Plant roots easily penetrate andThis is a replacement sponge that will fit the following sponge filters below. Bio Sponge Air Driven Aquarium Filter #25 Fits XY 180 sponge filter Fits Aquatop CAF 25 sponge filter Size: Diameter around 3 inches and 2. 5 inches tall