Zoo Meds Spirulina 20 fish food flakes are perfect for Saltwater Angels and Tangs. # For daily feeding of saltwater fish. # Natural color enhancer. Additional Information: Spirulina is a blue-green plant plankton rich in raw protein and seven major vitamins: A1, B1, B2, B6, B12, C and E. It naturally contains beta carotene, color-enhancing pigments, and a whole range of minerals. In addition, it contains all essential fatty acids and the eight amino acids required for complete nutrition. Zoo Meds Spirulina 20 Flakes contain a full 20% Spirulina and provide a complete high protein diet for marine fish and invertebrates. Research has shown that saltwater fish exhibit superior growth, maturity, energetic behavior, and more elegant coloring when fed Spirulina. It is also well documented that Spirulina improves egg production and hatching rates, stimulates the reproductive processes, increases survival rates of younger fish, and arouses the appetite of fish. Youll see an amazing difference when you feed Spirulina 20! Feeding Instructions: Feed 2 to 4 times daily. Do not feed more than can be eaten in a 5 minute period.