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tinalexi

Changing Mortar Color on Stone Fireplace

tinalexi
15 years ago

My mother has a stone fireplace. The mortar on it is dark gray to almost black, which is too dark for the stone. She wants to change the color of the existing mortar with out chipping away the existing mortar or using acid. She does not want to lighten it, but change it to medium sand maybe. Someone told her it was safe to use acylics. I read about Aquamix, but never heard of it. Any ideas?

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