Chemical preparations including chlorine compounds for treating water; chemical preparations for maintaining water temperature in swimming pools; chemical preparations for controlling stains, scale and corrosion; chemical preparations for neutralizing excess chlorine; defoaming and foam control preparations; chemical cleaning preparations for swimming pools and associated surfaces that is used in conjunction with muriatic acid; anti-freeze for treating swimming pool water; oxidizing agents for use in removing or reducing organic contaminates and increasing water clarity in swimming pools; swimming pool water clarifying preparations; chemical preparations for controlling the alkalinity of swimming pool waters; chemical preparations for controlling the calcium hardness in swimming pool waters; and chemical preparations for controlling the pH of swimming pool water; cleaning Preparations including swimming pool tile, chrome and vinyl cleaner; pool cover cleaners and deodorizers; and preparations for cleaning swimming pool filters; bactericidal and fungicidal preparations; algaecides, germicides; sanitizing agents; and disinfectants; testing kits including kits for testing water in swimming pools and the like, consisting of a test block with appropriate colour standards for testing pH and chlorine and appropriate chemicals for addition to the water samples during the test procedure; and chlorinator mechanisms for delivering chlorine to swimming pool waters; and all other goods in this class