Worried about erosion on your vehicle? Use ready-to-use antifreeze coolant from Zerex. This ready-to-use antifreeze coolant has a freezing point of -40 degrees and boiling point of 212 degrees. This antifreeze coolant comes in pink, size 1 gal. It comes conveniently pre-diluted so you won't have to fuss with adding water. Its applications include: Silicate-free, phosphated chemistry is designed to meet Asian manufacturers' requirements to protect cooling systems against freezeups, boil-overs, and rust and corrosion. HOAT formula. 150,000 mi./5 yr.