Formulated for all tropical fish. Nutritionally balanced for beautiful color, consistent growth and palatability. Enhanced with Probiotics and Cobalt Blue flake’s triple vitamin dose and immunostimulants. Will not cloud water. In addition, each formula also includes the signature Cobalt BLUE flake that is super-packed with immunostimulants and a triple-vitamin boost which help the fish fight off disease and helps keep it in top shape and color.