Specifically formulated to quickly and effectively remove salt deposits from metal, fiberglass, plastic or painted surfaces. It contains special PTEF polymers that bond to the treated surface to help prevent the formation of future deposits. Depending on the application, Salt Off can be sprayed directly onto the surface to be treated and then rinsed with fresh water, or simply left in place. Safe for use on all boats, vehicles, trailers, marine parts, engines, fishing and dive gear and more. It will not etch, stain or otherwise damage metal or plastic surfaces.