4 PCS Bio Sponge Filter Breeding Fry Shrimp Nano Fish Tank Aquarium 20Gal Dog Complete Systems pH-adjusted formula is ideal for

pH-adjusted formula is ideal for use on dry or normal coats

Glucosamine HCl (Shrimp and Crab)

- Alcohol-free

Sizes correspond to the Vari-Kennel models as follows:

The den is Hygienic

4 PCS Bio Sponge Filter Breeding Fry Shrimp Nano Fish Tank Aquarium 20Gal Dog Complete Systems pH-adjusted formula is ideal forFeatures: Sponge filters provide both mechanical and biological filtration. Simply install an airline into the unit and provide both aeration and filtration for your fish. Aerobic bacteria colonize the sponge providing a bacterial substance to facilitate the nitrogen cycle. In addition, the sponge traps larger waste particles mechanically cleaning the water without trapping baby fish. They are useful for as breeding filter or as secondary filter. Or