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Repairing concrete damaged by muratic acid

I applied Muratic acid straight out of the bottle on a portion of concrete patio. It left a dark spot. How can I repair the damaged Concrete?

Rick Walker
None - Clinton Township, Michigan, USA
2007

With a concrete saw or jackhammer, Rick. Muriatic acid destroys concrete. Sorry.

Ted Mooney, P.E.
Striving to live Aloha
finishing.com - Pine Beach, New Jersey
2007

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