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2007-09-22 20:49:03 · 2 answers · asked by debray 1 in Home & Garden Do It Yourself (DIY)

2 answers

Hi
The easiest way is to use a jet washer
Regards
John

2007-09-22 20:59:22 · answer #1 · answered by g1htl 4 · 0 0

Certainly a pressure washer. Limestone is one that is probably more susseptable to mold and algea growth than most other "stone"

You might try a spray of blech first; chlorine; muriatic acid; then pressure wash.

Steven Wolf

2007-09-23 07:39:48 · answer #2 · answered by DIY Doc 7 · 0 0

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