NewLife Spectrum Large Fish Formula 3mm Sinking Pellet Fish Food Formulated with nutrients from real algae and krill as top ingredients in bigger pellets for larger fish. Provides essential nutrients to enhance your fish's color and helps boost the immune system to prevent parasites. Pellets sink slowly and take a longer time to disperse so your fish have time to eat them without clouding your aquarium. Contains no soybean, fillers, or hormone additives, only whole ingredients like fish, seaweed, spirulina, and vitamins and minerals. The USA-made formula is great for marine and freshwater species, and is designed to be fed twice a day for best results.