All ActivityMost RecentMost LikesSolutionsRe: Handy Hints, Gadgets, Products & Gizmos"Product": For Black Strikes I use Gel-Gloss and a water hose. Put some Gel-Gloss on a damp spong, rub the black strikes away and rinse right behind. Takes the black strikes off and puts a thin coat of polish (not wax) on the camper to help black strikes from coming back. Little bit of elbow gease but it works compared to other products I've used.