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How to clean flagstone walkway?

Posted by gaviota_gal z10/So.CA (My Page) on
Sat, Jul 16, 11 at 11:25

My daughter moved into her first house and the large flagstones (Arizona flag, beige and reddish colors) make a nice, non-mortared entrance walk but they are quite dirty, sort of blackened. The same thing has happened to my flagstone patio. I tried washing with a power sprayer with no success. Is there a chemical I can use which will not destroy surrounding plants? The runoff of liquid can not be kept off of the plants.

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RE: How to clean flagstone walkway?

I would use a mop and apply diluted bleach. You might find some answers on the porch and deck forum.

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