... components4 Chemical water treatment agent (excluding: hydrolysis fenalamide, Poly dimethyl diallyl ammonium chloride, Aluminum ammonium sulfate (ammonium alum), PH regulator, algaecide ... 1Water Flocculants, Water coagulant PAC (basic aluminium chloride, aluminum chlorohydrate), ferric sulfate, ferrous sulfate, ferric chloride, aluminum chloride, aluminum sulfate (alum), polyacrylamide, sodium ...