Cobalt 1/16" diameter Cobalt Breeder sinking pellet is a powerful blend of beef heart, earthworm, egg, spirulina, and high quality salmon meal designed specially to condition and stimulate fish to breed. Due to its high attractant levels and palatability the Pro Breeder formula is also great for use in fish stores or on newly acquired livestock that is not accustom to eating prepared foods.
All blends also include Cobalt's BLUE pellet, which has triple concentration of vitamins that help support a healthy immune system. In addition, Cobalt pellets are packed with Probiotics in the form of Bascillus sp. bacteria that support a healthy digestive system. Less waste for a cleaner aquarium!