In many areas, water departments are using chloramines, a complex of chlorine and ammonia to prolong the chlorine action in killing bacteria. If chloramine is present, KENT Marine Pro-Ammonia Detox will neutralize it, making the water safe for aquatic animals. No other treatment is required. Directions Shake well before using. Add 5ml (1 tsp) per 20 gallons of tap or aquarium water to remove up to1 ppm of ammonia, 6 ppm of chlorine, and 3 ppm of chloramine.