Camco Winter Ban is a pink potable water safe antifreeze rated to -100F undiluted. Winter Ban protects boat and RV potable water systems from freeze damage plus additives to inhibit fouling, corrosion, algal growth. The freshwater safe propylene glycol formula of Freeze Ban -100 helps lubricate pumps and valves throughout the system. Safe and tasteless for even the coldest climates. Sold individually.