Pigeon poop

Any suggestions for what to use to remove pigeon poop from concrete roof tiles?

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How large of an area? Can you reach it or are you trying to inject and rinse?

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Its only a small area around 20 sq ft or so. I can get to it fairly easily. Was thinking of using a stiff brush on a pole to help then just a low pressure rinse.

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I have the same thing coming up, but it’s a much bigger area (about 30 x 10) on the second floor of a house. I was thinking normal house wash, with extra Elemonator, but then pressure washing off instead of a soft wash rinse. Does that sound like it will work, or should I try a different chemical?

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By the way, mine is on hardi-board siding, with a painted metal roof below, so I’m planning on a ton of rinse time.

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Hot water is is effective at removing Guano.(fancy name for poop)