... it is Spirulina added to enhance the body color of marine fish.Features:Taste Enhancement : Contains ingredients such as Krill Spirulina ... reduce excrement and to keep water pollution to a minimal.Marine Fish Flake is specially formulated for reef fish to target ... seaweed which makes it an essential nutritious food for all marine fish.Selected Ingredients: White Fish Meal, Artemia Krill, Scallop ...