NitrifiersDescription Beneficial nitrifying bacteria in liquid suspension. Areas of application Ornamental ponds, water gardens, fish tanks, race ways, holding tanks, and closed aquatic systems with less than 10 15% water exchange per day. Purpose of using product Reduce ammonia and nitrite Boost effectiveness of biofilter Improve water quality Increase beneficial microbial population Dosage rates 2 oz. per 1000 gallons If ammonia levels are over 1 ppm, double