Formulated for all tropical fish. Nutritionally balanced for beautiful color, consistent growth and palatability. Complete with Probiotics and Cobalt BLUE Flakes that help support a healthy digestive and immune system and keep fish in top shape and color. The scientific advancements of probiotics coupled together with a solid nutritional base, makes Cobalt flake foods the most advanced nutrition available! Will not cloud water. Less waste for a cleaner aquarium!