Defoaming agents; Battery electrolytes; Chemical analysis kit for testing swimming pool water; Chemical preparations for testing swimming pool water; Chlorine for swimming pools; Electrophoresis gels; Firefighting foam; Foaming agents; Reagent bearing test strips for testing swimming pool water; Salts for galvanic batteries; Salts for galvanic cells; Shock treatment chemicals for use in swimming pools and spas; Water purifying chemicals for swimming pools; Water treatment chemicals for use in...