New information.  I have made poultices with strippers, thinners, peroxides, none of them made a difference at all. What I found out from the contractor is that they installed the same stone on another job and the same thing is there. The decorator doesn't know this because the people are never home and the contractor isn't incharge of that site so he isn't saying anything. But now it sounds more and more like a fabricating issue. Is there anything else I can try to save this stone?
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