Hikari Usa Inc AHK01389 Staple 22lb, Medium Hikari Staple 22Lb Medium Hikari Staple Is An Economical, Daily Diet For Koi As Well As Other Pond Fishes. It contains all the basic nutrition your fish need to live a long and healthy life. Hikari Staple Is An Economical, Daily Diet For Koi As Well As Other Pond Fishes It Contains All The Basic Nutrition Your Fish Need To Live A Long And Healthy Life