Saki-Hikari® is widely known as the world s leading-quality brand of ornamental fish foods. Your aquatic turtles can now benefit from the same nutrients that koi cichlid and goldfish keepers have discovered. This highly balanced diet is enriched with the Hikari Germ™ promoting healthy intestinal flora and immune systems. Calcium aids shell development while Vitamin D3 boosts calcium absorption. Natural ingredients help reduce odor and the Hikari Germ™ helps break down waste and improve water quality when used as directed.