Hi Silk 21 Sweet Potato – Koi Food Hi Silk 21, Sweet Potato, Koi Food Type : All-season.Pellet size : Large.Medium protein.Floating pellet. Hi Silk 21, Sweet Potato, Koi Food Hi Silk 21, Sweet Potato, Koi Food Related posts: Saki Hikari Pure White – Koi Food Hikari Wheat Germ – Koi Food Hi Silk 21 – Koi Food Saki Hikari Color – Koi Food