Polyaluminum Chloride (PAC) is a flexible coagulant, but its effectiveness can vary considerably dependant upon the specific grade chosen and also the meant application. Understanding the dissimilarities concerning the prevalent PAC grades—white powder, yellow powder, and yellow-brown powder—is critical for optimizing water treatment procedures and accomplishing the specified outcomes... https://www.pac-pfs.com/product/drinking-grade-polyaluminium-chloride.html