Tetra Goldfish Flakes are designed to be a nutritious, balanced diet for your goldfish. These goldfish flakes provide easily digestible protein, vitamins, and carbohydrates to nourish and support your fishs growth and immune system. Tetras unparalleled advanced technology is designed to provide maxmum nutrition, feeding convenience, and improved tank clarity. The flakes do not leach colour, which helps to keep your aquarium water clean and clear. They are made with patented, health-enhancing ProCare.