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Q. - If my floor has been acid etched can I still stain it.
Hello Bob,
A. - Not with a standard grade acid stain. However, the Artist Grade from Concrete Camouflage is very successful at staining acid etched floors, when all the others can't, though it won't be as rich of a color as it would have been. You should order an 8 oz bottle and test it in a closet or out of the way place.
Apply the stain and allow it to dry and sit for 24 hours. Easily neutralize and rinse it off. If you want the color darker, then after it dries apply another coat as before.
I hope this helps