Mercury -50 (-46C) water system anti-freeze provides the ultimate in cold weather andcorrosion protection. It prevents marine engine cooling systems and boat, RV andhome plumbing systems from bursting in cold weather. Its premium additivepackage prevents corrosion of aluminum, copper, brass and solder, and will notharm rubber seals, or hose materials. The 3X-died bright pink color providesexcellent blow-through visibility. Formulated with non-toxic, virgin propylene glycol(30% blend). Glycerin-free formula Provides burst protection to -50F (-46C) Provides freeze protection within a range of 12F to 16F (-11C to -8C) This product is ready-to-use; DO NOT DILUTE208 L (55 US gal) drum
