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Removing moss/algae from asphalt shingles
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watched your video on removing moss & algae from asphalt roof shingles. Would like to know the cleaning solution mixture that you used and was so effective in your video to clean my cottage rooftop. Thx.
Jim Stirling
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Here’s the page https://www.askmediy.com/how-to-make-the-roof-cleaner-used-in-the-video/