Star Brite 311250 Winter Tech -50°F Marine & RV Water System Antifreeze 250-Gallon Drum

Star Brite Winter Tech -50°F Water System Antifreeze is a professional-grade, propylene glycol and alcohol blend engineered for large-scale winterization of marine, RV, and seasonal plumbing systems. Available in a 250-gallon bulk drum, this product is ideal for marinas, RV parks, service facilities, and fleet operators requiring high-volume antifreeze supply.

Key Features:

• Burst protection down to -50°F (-46°C) for copper pipes and water lines, with a freeze point of +21°F
• Propylene glycol and alcohol formula — safe for use with copper, brass, aluminum, solder, and all plastic and rubber components
• Safe for freshwater drinking systems and holding tanks — non-toxic formulation suitable for potable water plumbing
• Ready-to-use formula — do not dilute; apply directly to water systems for full protection
• Bright pink color provides maximum blow-through visibility to confirm complete system coverage
• 250-gallon bulk drum for high-volume commercial and fleet winterization applications

Star Brite Winter Tech -50°F antifreeze is the dependable choice for winterizing boats, RVs, and seasonal properties where thorough, large-scale water system protection is required. The ready-to-use formula simplifies the winterization process and helps prevent costly freeze damage to pipes, tanks, pumps, and fittings.