Cobalt Pro Breeder Flake Food is a powerful blend of beef heart, earthworm, egg, spirulina, and high quality salmon meal. It's designed to specially condition and stimulate fish to breed. It also features Cobalt's enhanced blue flake, which provides a combination of a triple-vitamin boost and natural immunostimulants that strengthens a fish's biological resistance to disease. It's packed with powerful probiotics in the form of naturally occurring bacteria. Strains of Bacillus sp., promotes digestion and intestinal health. This nutritional diet also enhances your fish's color. The unique formula produces less waste and does not cloud water.