West Marine 60f Engine Water System Antifreeze

West Marine 60f Engine Water System Antifreeze . West Marine Pure Oceans 60 51 C Marine Antifreeze provides the ultimate in cold weather and corrosion protection for drinking water systems and all engines. Its premium additive package prevents corrosion of aluminum, copper, brass and solder, but will not harm rubber, seals or hose materials. The 3X died purple color provides excellent blow through visibility. Formulated with nontoxic, virgin Propylene Glycol 35% Blend, it is tasteless and contains no alcohol. This product is ready to use do not dilute it. Provides burst protection to 60 F 51 C and freeze protection within a range of 7 F to 10 F 14 C to 12 C When testing with a refractometer or with a hydrometer designed for use with PG, freeze point readings on the PG scale will range from 7 F to 10 F Note When winterizing water systems in regions where temperatures can fall below 10 F 23 C, we recommend using West Marine Pure Oceans 100 F 73 C Marine Antifreeze.