Cobalt Mysis Spirulina flake fish food is a highly palatable Mysis shrimp and Spirulina algae based formula for all tropical and marine herbivores and omnivores. Great for finicky fish who are transitioning to prepared foods. 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!