Chlorine; Chemical analysis kit for testing swimming pool water; Chemical preparations for testing swimming pool water; Chlorinated acids; Chlorine for swimming pools; Chlorine for water purifying in swimming pools; Detergent for use in the manufacture of hair shampoo; Liquid chlorine; Reagent bearing test strips for testing swimming pool water; Shock treatment chemicals for use in swimming pools and spas; Waste water treatment chemicals for industrial use; Water purifying chemicals for swimm...