OVERVIEWCAC Catalytic Carbon 1 Cubic Foot Bag, 12 x 40 meshCAC Carbon is a catalytic, high activity granular activated carbon manufactured by steam activation of select coconut shell charcoal.The catalytic activity of this activated carbon makes it highly effective for the removal of chloramines and hydrogen sulfide from potable water.Its large micropore volume makes it particularly well suited for the removal of low molecular weight organic compounds and their chlorinated by-products such as chloroform and other trihalomethanes (THMs).( recommendation of soaking carbon and leaving it soak for 48 hours before start up