West Marine 50f Engine Water System Antifreeze Antifreeze 55 Gallons

West Marine 50f Engine Water System Antifreeze Antifreeze, 55 Gallons . West Marine Pure Oceans 50 46 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 bright pink color provides excellent blow through visibility. Formulated with non toxic, virgin Propylene Glycol 30% Blend, it is tasteless and contains no alcohol. This product is ready to use do not dilute it. Provides burst protection to 50 F 46 C and freeze protection within a range of 12 F to 16 F 11 C to 9 C When testing with a refractometer or hydrometer designed for use with propylene glycol, freeze point readings on the PG scale will range from 12 F to 16 F Note The burst point of PVC pipes used in most drinking water systems is about 10 F 23 C. 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.