(Formerly Tetra ColorBits) TetraColor Tropical Granules * Color enhancing granular food for larger tropical aquarium fish * Nutritious fish food fortified with Vitamin C and other vitamins and nutrients * Brings out vibrant coloration in Discus, Cichlids, Angelfish, and more Originally introduced as Discus food, it's also an ideal food for many mid-water feeders and bottom-feeders such as catfish and Cichlids. These concentrated food granules provide the complete nutrients needed to increase growth, produce brighter colors, and stimulate breeding. Great for marine fish, too. Info from dr. Foster's