What do I feed my Koi?
Your Koi's diet and nutritional needs will change with the water temperature. During the summer, you will need to feed your Koi a food that is high in protein, around 30% to 50%. During the spring and the fall, when the water is cold, you will need to feed your Koi a Wheat Germ based Koi food that is easy to digest. During the winter, Koi go dormant and won't eat. If you keep your Koi in a tank inside your house during the winter, you can keep feeding them a high protein food.