NT Labs Medikoi Health, Complete Feed For All Pond Fish, Ideal For Spring, Summer and Autumn Feeding, Contains Propolis, Maintains Immune System, Koi Fish Food (3 kg) (6 mm) (Standard)COMPLETE FEED FOR ALL POND FISH: Medikoi Health is a complete feed for all pond fish, containing high quality, natural ingredients to help keep the immune system of your pond fish primed to fight off disease. CONTAINS PROPOLIS: Medikoi Health contains propolis, a natural product made by bees. Propolis possesses natural antimicrobial properties that support fish recovery after infection. CONTAINS STIMMUNE: The inclusion of Stimmune and the beta glucans