Discolouration from moss

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posted 3 years ago

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Hi, I live in Australia and have a cement tile roof with many small patches of moss. I am wondering if the blackish discolouration and sediment is from that or a large sugar gum

John C Daley

pollinator

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Location: Bendigo , Australia

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posted 3 years ago

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It can generally turnup.
It usually does no harm and can be removed with treatment and washing.

John Daley Bendigo, Australia The Enemy of progress is the hope of a perfect plan
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