Takazumi Vital Koi Pond Fish Pellet Food 10kg Feed down to 4 c in Winter good as Wheatgerm, provides a well-balanced professional Koi food with a low fat and medium protein content, which contains all the necessary nutrition for healthy Koi as well as the specially formulated Pre-mix. The pre-mix contains a specially developed cocktail of various ingredients to stimulate your Koi’s immune system and thus build up an excellent defence to disease.