Yukai Pro Mix offers a mixture of three types of food for excellent and good treat to your koi and pond fishes. It contains pellet food of spirulina, growth and color enhancing. Spirulina food contains spirulina which is a source for color enhancement and shape building for koi and pond fishes. It helps to bring out the natural beauty and true colors of koi. This food maintains good overall for koi health. It is floating type fosh food, easily to monitor the quantity of each feeding. Feed the amount that fosh can colpletely consume within a few minutes, based on your pond condotion and activity level of your fish. It produces less waste and keeps the pond water stays clear and clean.