A complete nutritionally balanced diet for all your tropical fish. Excellent for Tropheus and other algae grazing fish. Less waste and more digestibility with no additional dye added to the flake. Contains natural color enhancers to bring out the colors in your fish. Made in the USA! Main ingredient of spirulina for algae grazing fish Complete all-purpose diet for tropical fish Fortified with natural immune enhancers to promote tissue maintenance and development Contains highly digestible marine proteins to reduce excreted waste Now contains Vpak (Vitality Pak) an all-natural, nutritional feed supplement, designed to improve overall fish health and resistance to disease