Suitable for: Catfish, Corydoras, Freshwater Shrimp, Crabs, Tropical Fish, Community Fish, Guppys, Tetras, Mollys, etc. Suitable for: Catfish, Corydoras, Shrimp,Tropical Fish, Community Fish, Guppys, Tetras, Mollys, Guppys, Shrimp, Bettas, Plattys, Swordtails.