There is no "one" best food for Koi. That's why Hikari developed different formulas in different pellet sizes to meet all the requirements needed for helath, growth and color. Obviously, fish can't talk, they rely on you to provide the best food for them. Hikari Staple Fish Food Hikari Gold Fish Food Hikari Wheat Germ Fish Food Hikari Spriulina Fish Food 15.8 oz. Mini Pellets Hikari Economy Fish Food 11 lb. Large Pellets Hikari Hi-Growth Fish Food 4 lb. Large Pellets Hikari Excel Fish Food 11lbs. Medium Pellets Hikari Pond Sticks 3.5 oz. Our Price: $10.00 Sale price: Most Orders Shipped Out Same Day! Premier Ponds LLC pondinfo@premierponds.com U.S.A. Copyright © 1999 - 2007 Premier Ponds LLC, North Salem, New York. All rights reserved. Thermo-Pond Heater 3.0, Aquascape Designs Pond Kits, ScareCrow Sprinkler, Nursery Pro Micro Pond Kits, AquaClearer, Microbe-Lift, Great Blue Heron Decoy, Pond Liners, Thermo Pond Heater & Deicer, Premium Koi Food, Select Koi, Butterfly Koi, Pond Aeration Pumps, Flexible PVC Piping, BioFalls, Skimmer, Aquascape Pumps, Cat Stop!, Animal Control Products, Pond Netting.