Hikari Usa Inc AHK02382 Gold 11lb Bulk, Medium Hikari Gold 11lb Bulk Medium Hikari Gold is a daily diet, developed through years of koi breeding and showing, to meet the nutritional needs of koi Provides excellent color enhancement. Hikari Gold 11lb Bulk Medium Hikari Gold is a daily diet, developed through years of koi breeding and showing, to meet the nutritional needs of koi Provides excellent color enhancement Provides excellent color enhancement