Hikari Saki-Hikari Color-Enhancing Koi Food 4.4 lb is a Hikari-branded product in the ownkoi catalog. Color-enhancement formulation from the Saki-Hikari range. The manufacturer cites natural astaxanthin and spirulina as the pigment sources and positions this formulation for use during the warm-water feeding season. Specifications and pricing reflect the manufacturer-published or retailer-published data at the most recent catalog refresh. Verify the live listing on the source retailer page before purchase.