Not sure what this stuff is. It's collected on top of the spoiler. I thought it was either some type of mold or tree sap. I tried using 99% Isopropanol (rubbing alcohol) and Goo-Gone based on suggestions I read for removing tree samp. Didn't seem to loosen or dissolve the black stuff at all. Any ideas what it might be and how to remove it? I was going to try a clay bar next.
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