ROYBUCKExplorerJul 20, 2013Black Streaks (Under window) up dateOK, I have tried everything everybody suggested. Star Brite from west marine, mean green mildew destroyer, awesome, Mcguiars marine RV one step compound, and others. Seems like the Star Brite removed ...Show More
SRTExplorerJul 21, 2013Have put Protect-All on the black window frames. That seems to take care of the black streaks occurring.