Hikari Goldfish Wheat-Germ is an easily assimilated, highly digestible daily diet for goldfish, baby koi, and large tropical fish. Developed through many years of breeding experience, this highly nutritious diet will keep you aquatic pets healthy and happy for years to come. Goldfish Wheat-Germ is high in vitamins important to your fish's health. It contains stabilized Vitamin-C to support immune system health, and Vitamin-E to promote fertility and desirable growth characteristics. Will not cloud your aquarium water.