TetraFin Balanced Diet Goldfish Flake Food for Optimal Health GOLDFISH FORMULATION: Specially designed for use as a staple flake food for your goldfish or small koi. FOR DAILY FEEDING: Nutritionally balanced diet for optimal health, color and vitality. PROCARE FORMULA: Helps support fishs immune system for optimal health and long life. CLEAN AND CLEAR WATER FORMULA: Designed to be easily digested, helping to keep aquarium water clean and clear. COLOR ENHANCING: Enhances the goldfishs naturally brilliant colors.