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scotty0613

What The Heck Is This?

scotty0613
4 months ago

This has been going on for several months now. I pressure clean it, and it comes right back. I live in S. FL and this happens only in one garden on my patio. Most of the rocks get black and also half black and orange. A fluorescent orange. You can't tell in the pictures.


Can someone tell me what this is and how to stop it?




Thank you,

Scott

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