Profile: UniChem Chemical Industries is a manufacturer and supplier of water treatment chemicals, equipment and water softeners. We specialize in commercial applications and are in treating boilers & cooling water systems, and related chemical products and effluent & wastewater treatment. UNICHEM-3210 is a powerful boiler water oxygen scavenger available in a convenient liquid form that is scientifically formulated from sodium sulfite to deliver superior protection to low and medium pressure steam boilers.