Tetra TetraFin Goldfish Flakes are a nutritionally complete daily diet for all goldfish and small koi. Ideal for use in aquariums and outdoors in small ponds too. This scientifically developed mix of highly nutritious ingredients plus s, minerals and trace elements will enhance your fishs naturally brilliant colors. Includes patented, health-enhancing ProCare to help support your fishs immune system for optimal health and long life. This precise blend of immunostimulants, s, biotin and omega-3 fatty acids is custom designed to strengthen a fishs resistance to disease and stress. Feed your goldfish two to three times daily, only as much as your fish can consume within several minutes. Tetra brands flake food tions have been designed to be easily digested by fish and not to leach color, helping to keep aquarium water clean and clear when used as directed. Since 1951, Tetra has developed the worlds most comprehensive body of fish food knowledge, and fishkeeping enthusiasts have looked to the brand for products and solutions that add ease and beauty to their home. Whether you're an experienced hobbyist or just starting out, Tetra has everything you need from a large variety of quality fish food and innovative equipment to test kits and decor.