Pink Solution works great on sails, sail covers, dodgers, Plexiglas windows, Fiberglas hulls and you can even flush it down the head to clean and deodorize. It is excellent on fiberglass gel coats and is incredible at removing any mildew! In order to achieve best results you want to make a mixture of our Pink Solution Heavy Mix, coat the sail in our heavy mixture and scrub with your favorite sponge!