Hikari® Staple™ is a lab formulated, daily diet, for feeding Koi and other pond fish in warmer water temperatures. The uniquely balanced ingredients support rapid growth, proper form and efficient utilization. This floating diet will not cloud your water and contains necessary vitamins, including stabilized vitamin C to support immune system health. Note: Hikari® Staple™ contains higher levels of natural ingredients which may cause a slight change in color from one production lot to another. Rest assured because of our rigid quality standards each package meets our superior nutritional specifications.