... variety of source water turbidity, PH wide application and alum to form large, fast, fast settling velocity, corrosive small, low ... 10 %water (by weight), with water to join the source water, source water turbidity due to different, one ton of PAC can ... turbidity, in different regions, different seasons, different-shaped pools, testing, to find the best dosage. (Solid damp, there is no submission of ...