ITEM #HB-35-213
Comstar® 8 oz. Steam Clean, Stops Boilers from Priming & Surging. Color-coded boiler water treatment for preventing priming, foaming, and surging. It works like a sponge to absorb any cutting oil, grease, sludge, or organic algae that has prevented boiling and caused violent shaking by sitting on top of boiler water.