West Marine -50 degreeF Engine & Water System Antifreeze, 55 Gallon Drum Handle your large-scale winterization projects effortlessly with West Marine -50 degreeF Engine & Water System Antifreeze in a 55-gallon drum. Ideal for boat yards, dealers, and high-volume applications, this bulk antifreeze offers superior cold weather and corrosion protection to ensure every boat is winter-ready. Why Choose West Marine -50 degreeF Antifreeze for Your Boat Winterization? Ultimate Cold Weather Protection: Engineered to withstand temperatures as low as -50 degreeF (-46 degreeC), this antifreeze is perfect for regions with mild but freezing winters, safeguarding your boat's systems throughout the season. Non-Toxic and High Quality: Formulated with pure virgin propylene glycol, West Marine antifreeze is non-toxic, providing effective protection while minimizing residual smells and tastes, making it safe for potable water systems and engines. Advanced Corrosion Inhibitors: Contains special corrosion inhibitors that protect metal engine components and seals including aluminum, brass, copper, and solder from winter damage. Alcohol-Free Formula: Prevents evaporation, maintaining optimal protection levels and ensuring your engine and water systems remain safeguarded throughout the winter months. Ready-to-Use Bulk Solution: This antifreeze comes ready to use without the need for dilution, making it an efficient choice for winterizing multiple boats or large systems. Bright Pink Color Indicator: The vivid triple-dye pink color helps easily identify when antifreeze has circulated through all critical systems, and assists in system flushing during spring maintenance. Ideal for Mild Winter Climates: Designed for temperatures ranging between 14 degreeF to 18 degreeF (-8 degreeC to -10 degreeC). For regions experiencing colder temperatures, we recommend using West Marine's -60 degreeF or -100 degreeF antifreeze for enhanced protection. Ensure thorough winter protection for every boat with West Marine -50 degreeF Engine & Water System Antifreeze. This reliable, ready-to-use solution is your go-to for efficient, high-volume winterization and optimal vessel care. For a complete guide to selecting the right antifreeze for your climate and application, see Antifreeze 101.