Q. Spilled gun cleaner on my stone topped coffee table. It left a white stain. How can I remove this? A. Natural stone may not look porous, but it is. Liquids and chemicals can soak below the surface. Gun cleaners often contain strong solvents that... Read More

Q. After making homemade bath bar soap (consisting of tallow, coconut oil, palm oil, and lye), upon removal from the forms, we placed the soap blocks on wax paper and set it on our quartz counter tops. After being gone for a few days, we returned to... Read More

Q. I cleaned soot off my fireplace stone, but it won't come out where it has seeped into the stone. A. Smoke and soot are made up of very fine carbon and oily particles that can become absorbed into the surface of porous stone. Once that happens... Read More

Q. We grouted our beautifully installed marble backsplash with a gray grout without sealing the marble first. Unfortunately, the marble—which was originally white has now turned grey. It seems the grout has discolored the surface. Is there... Read More