... impurity.Polyaluminium chloride for water treatmentPoly-aluminium chloride is an inorganic polymer coagulant, because of the hydroxyl ion bridging ... reddish brown granule/FlakePAC use precautions, and dosage1, according to the different raw water conditions, can do small trial ... , shade, and do not damp. How to use1, use should be made according to the quality scale, elect water purification effect ...