... , jiaqingshuiyue 50ml, dissolution and dilute with water to 100ml scale again, shake the can.2, poly aluminum chloride for ... and drainage cleaning: water, groundwater, river water, reservoir.B, industrial water purification.C, urban wastewater treatment.D, useful substances in ... aluminum chloride1, use should be made according to the quality scale, elect water purification effect is good, put a small ...