Water treatment chemicals are a diverse group of substances designed to enhance the quality of water. They are used in various processes, including coagulation, flocculation, disinfection, and corrosion control. Commonly supplied chemicals include chlorine, alum, polymer, and sodium hypochlorite, each fulfilling specific functions in the treatment process. The selection of appropriate chemicals depends on various factors, including the type of contaminants present in the water, regulatory standards, and the intended use of the treated water.