
My roofer recommended this to me. He said he hasn't used it, but he knows people who have and he's impressed. I bought this and using a tiny little nozzle I sprayed it around the edges of my roof. There's no point in struggling with the smallest hose and sprayer if it doesn't work. Well its been a few months now and the treated areas look like they are lightening up. I guess I'll head upstairs to do the rest. I really wish they had a bottle with a much longer tube, just something to make it easier to use.

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