Polyaluminum Chloride (PAC) is a flexible coagulant, but its efficiency could vary substantially according to the certain grade chosen as well as supposed software. Knowledge the variances among the typical PAC grades—white powder, yellow powder, and yellow-brown powder—is critical for optimizing drinking water procedure processes and reaching the desired outcomes, https://www.pac-pfs.com/product/drinking-grade-polyaluminium-chloride.html