Koi Lady Ammonia Fix! Super Nitrifiers Reduces Ammonia by Jump-Starting the Natural Biological Filtration Process All New Product Developed for the 2013 Pond Season Developed Specifically for Indoor or Outdoor Koi and Goldfish Fish Ponds Also Suitable for Aquarium Use Ultra High Concentration = low dose rate of 5ml (one pump) per 500 gallons, over 230 doses per 8 oz. bottle