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Concrete discoloration using dye
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Posted by aleopold (My Page) on Tue, Jan 16, 07 at 17:16
| Hello everyone. I made some stepping stones this weekend, and I pressed some letters into them using the Poetry Stones kit. Anyway, after 48 hours (grey batch) and 24 hours (terra cotta batch), they are showing a bit of whitish discoloration. The main problem is with the terra cotta batch because I want them to be as dark as possible. Also, there was some of this white stuff in the lettering. I also noticed that anywhere I had to touch up afterwards with a trowel had a whitish cast, too. I was wondering if anyone has had experience with this. Adding water allows it to return to the color I had before, but it dries. Also, to give you an idea of what I am talking about, imagine rubbing chalk dust on a terra cotta pot. I don't want this appearance, but I want it to look like the terra cotta's original color. Do you know how to prevent this or treat this? Thanks in advance. |
Follow-Up Postings:
RE: Concrete discoloration using dye
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| Someone answered my question. We believe the problem is efflorescence. |
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