San Francisco Bay Brand brine shrimp egg vial is designed for baby fish and reef tanks. It is highly notorious and excellent for fish and reefs. Brine shrimp contain beta carotene a natural color enhancer, high levels of lipids and essential unsaturated fatty acids required for biological processes. Stimulates good growth and enhances the color of the fish. Perfect for small or baby freshwater fishes, small saltwater fishes, saltwater invertebrates and corals. Available in a 6-grams vial.