NT Labs MediKoi Health 10kg Koi Pellet FoodMedikoi Health is a complete feed for all pond fish, containing high quality, natural ingredients to help keep the immune system of your fish primed to fight off disease. In particular, the inclusion of Stimune and the beta glucans it contains supports the continued formation of white blood cells, the most important part of any immune system. Medikoi Health also contains propolis, a natural product made by bees, a specially formulated blend of herbs,