About this item Balanced Nutrition: Vitamins and Minerals provide Koi fish with daily nutrition Palatability: Amino Acid and Small Peptides entice Koi fish to eat. Clean Water: Adding probiotics reduces water pollution. Pellet size: 7.3-7.7mm ISO-9001/9002 Quality Control Guaranteed Composition: Crude Protein; 36% Crude Fat; 3% Crude Ash; 14% Crude Fiber 5% Moisture; 10%