Hikari Usa Inc 02370 Gold 4.4 Lb, Medium Hikari Gold 4.4 Lb 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 4.4 Lb 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