Prime Guard -50 Deg F Gallon RV and Marine Antifreeze

Prime Guard is ethyl alcohol based and blended with propylene glycol. Protects recreational vehicles, summer cottages, and swimming pools from water system freeze up to -50 Deg. burst. Nontoxic and tasteless. Safe for fresh water systems. Inhibit fouling and corrosion while preventing algae growth. Helps lubricate pumps and valves throughout the system. No mixing required.