ClorAm-X is a dry powder water conditioner that detoxifies and removes ammonia, chlorine and chloramines in both fresh and salt water. FDA approved. Suitable for use on fish and shellfish intended for human consumption. Cloram-X is a fantastic value. A single 5 pound tub/bag treats 18,794 gallons of water, providing substantial savings over other dechlorination products on the market. ClorAm-X is completely safe and is approved for use on Food Fish and Shell Fish intended for human consumption.