TetraFin Goldfish Flakes is a nutritionally balanced diet for all goldfish that help enhances fish's naturally brilliant colours. Features patented ProCare formula that helps support fish's immune system for optimal health and long life. With scientifically developed mix of highly nutritious ingredients plus vitamins, minerals and trace elements. Tetra's flake food formulations have been specifically designed to be easily digested by fish and not to leach color, thereby helping to keep aquarium water clean and clear.