Nano Reef Fish Food is rich in natural attractants to ensure prompt acceptance by fish typically housed in Nano Tanks. Nano Reef Fish Food enhances natural colors of the fish and boosts their immune system. Nano Reef Fish Food is soft and moist, and sinks slowly, promoting easy consumption by the fish. Nano Reef Fish Food contains Spirulina and Garlic, has an ideal nutritional value, high HUFA content, and is rich in vitamins.