Nutrafin basix Staple Food is specifically formulated for daily feeding of all tropical fish. Basix Staple Food contains a balanced formula that includes all necessary protein, amino acids, fibre, minerals and vitamins to help ensure the health and well-being of aquarium fish. In general, aquarium fish should be fed a varied diet containing freeze-dried foods such as Nutrafin basix Mysis Shrimp, Nutrafin basix Tubifex Worms and Nutrafin basix Blood Worms. Bottom-feeding species should be fed Nutrafin basix Staple Food Tablets.