Developed in 1989, Ducky's Original Water Spot Remover remains the most popular and sought after product of its kind. Water spot remover effectively eliminates hard water stains that etch into any surface over time, making them a permanent fixture on your boat, car, or motorcycle. For use on boats, automobiles, motorcycles, chrome, glass, fiberglass, gel-coat, clear-coat, and multiple in-home surfaces. Nontoxic, biodegradable formula does not contain wax. Easy spray on/wipe off application.