... (OH) 5 Polyaluminium Chloride use precautions, and dosage 1, according to the different raw water conditions, can do small trial first before ... not damp. Poly-aluminum chloride1, use should be made according to the quality scale, elect water purification effect is good, put ... used, amount of non-drinking water should be selected according to the actual situation.2, when using solid, and water dissolved ...