Black Streaks (Under window) up date
OK, 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 ...
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i use soft scrub,it is for cleaning showers and other household uses. it will take any wax off you may have but will take the black streaks off.
