Works instantly, in fresh or saltwater, to detoxify ammonia and remove chlorine and chloramines. Eliminates stress and protects healthy gill function. Contains No Less Than 17 Percent Of Aliphetic Amine Salts. Each Dose Detoxifies 3.0 Ppm Of Ammonia, 7.0 Ppm Of Chlorine, And 5.0 Ppm Of Chloramine. 4 OUNCES