Polyaluminum Chloride (PAC) is a versatile coagulant, but its usefulness may vary considerably according to the particular grade decided on along with the meant application. Knowing the distinctions among the frequent PAC grades—white powder, yellow powder, and yellow-brown powder—is essential for optimizing water treatment procedures and reaching the desired outcomes, https://www.pac-pfs.com/product/drinking-grade-polyaluminium-chloride.html