Cobalt Tropical Flakes feature a nutritionally balanced formula that promotes beautiful color, consistent growth, and palatability. The formula was created through advanced research and innovation. All blends also include enhanced blue flake, which provides a combination of a triple-vitamin boost and natural immunostimulants that strengthens a fish's biological resistance to disease. In addition, Cobalt flakes are packed with powerful probiotics in the form of naturally occurring bacteria. Strains of Bacillus sp., promotes digestion and intestinal health. This unique formula will not cloud your aquarium water and produces less waste. Cobalt Tropical Flakes Premium Fish Food takes feeding fish into the 21st century.