Koi Care Filter Bugs

Use when establishing a new filter, at the beginning of the pond season in spring, or when ammonia or nitrite are elevated.
Filter Bugs is an easy-to use liquid formulation, containing a blend of Nitrosomonas, Nitrobacter, Nitrospira and supporting bacterial cultures.These bacteria will repopulate your filter with nitrifying organisms to ensure efficient biological filtration and perfect, stable water quality.