Protect your investment through harsh winters with Prestone RV/Waterline Antifreeze. Whether you own an RV, seasonal home, pool system, or boat, winterizing your potable water systems is essential to prevent costly freeze damage. This ready-to-use formula guards against burst pipes and corrosion down to -100 deg. F , giving you confidence that your property stays protected even when temperatures plummet. Simply add it to your water systems before the cold season arrives and enjoy peace of mind knowing your equipment is safe.