1 Hydrofluosilcic acid, muriatic acid, nitric acid, phosphoric acid, anhydrous ammonia, chlorine, sulfur dioxide, activated carbon, diatomaceous earth, aqua ammonia, caustic potash, caustic soda, soda ash, sodium bicarbonate, absorbants, aluminum sulfate, calcium chloride, copper sulfate, cooperas, ferric chloride, hydrogen peroxide, lime, potassium, permanganate, salt, sodium bisulfate, sodium bisulfite, sodium fluoride, sodium hexametaphosphate, sodium hypochlorite, sodium metabisulfite, sodium silicate solution, sodium silicofluoride, sodium tripolyphosphate, trisodium phosphate for use in the treatment of water