FooKoo Four Seasons 6 Koi Food This premium floating food contains wheat germ which is a recommended feed all year, but mainly used in the colder months for heated or unheated ponds. During the colder months the digestive, metabolic and immune system is slower than normal. This food is extremely easy to digest and therefore makes it easier for the Koi to asorb its vitamins. FooKoo Four Season contains pre and probiotics which help to improve gut flora and stimulate the immune system. Available in Medium Pellets