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Posted by on December 31, 2006, 8:22 am
thewoodworkersdepot.com wrote:
> You need to etch the concrete. Use hydrochloric acid or muratic acid
> and wash it down. You can usually find directions on how to do an acid
> wash if you look for directions on how to prep concrete for painting.
> Warning: Be prepared to do the whole thing. Test a small area first and
> see how it blends in. The area that is acid washed will be nice and
> white.
>
> Good Luck
>
> Steve
>
I'd try one of the concrete cleaner products available at any of the
home center stores. Usually found in the driveway sealer section.
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