Salt-Away is a water-based, non-hazardous, biodegradable solution that contains properties that dissolve, release and remove salt crystals from any surface. Salt-Away can safely be used on all metals, fiberglass, paint, rubber, plastic, chrome, glass, concrete, brick or any surface exposed to salt. Use it in your engines cooling system to prevent salt build-up. It leaves a protective film to help prevent future salt corrosion