This product contains special color enhancing elements of vitamin E, Spirulina and shrimp meat. Special digestive enzymes contained in this product minimizes water pollution caused by fish waste, so this food does not cloud water. It contains sufficient vitamins, organic minerals, shrimp meal,vegetable protein, spirulina and wheat germ which can be easily absorbed and utilized; thus enabling the koi to maintain their Beautiful Shape, Strong Body Growth and Vibrant color. Ingredients Wheat germ meal, Soybean Meal, White fish meal,  Antarctic Shrimp, Fish protein, Spirulina, Dried yeast, Organic materials, Vitamins ( A, D3, B1, B6, B12, C,E), Natural colors. Pellet size: M-large 3/16 inch, Large 1/4 inch. Guaranteed Analysis Min crude protein 36%, Min crude fat 4%, Max crude ash 15%, Max crude fiber 4%, Max crude sodium chloride 2%, Max moisture 9%, Min phosphorus 1.3%, Min tocopherol (vit E) 682mg/kg, Min ascorbic acid (vit. C) 455mg/kg 11 Lb bag