Quote:
Originally Posted by Notanlines
I'm betting it is simply a little mildew growing on your roof. Try the above methods on a small section and see what you get, about a 10% solution with real bleach, not the cheap stuff.
Keep us informed please.
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I'll try that first. I am going to go back up and take a magnifying glass and a light to see what I can see. My old eyes don't focus as well as they once did,