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Q. I spread a dark blue hand towel on the counter top and was working on it, when I removed the towel a couple hours later a darkened stain/discoloration was left behind that outlined where the towel was. I tried Stonetech Cleaner on it, but it won... Read More

Q. My granite has a red candle wax stain. What is the best way to remove the stain? A. Dyes can be extremely difficult to remove, especially the red and orange colors. The dye in the wax will need a solvent to remove the stain. Clean the area with a... Read More

Q. I put extremely microwaved hot vinegar and water on my natural stone and let it sit there, thinking it would clean it, but it discolored the stone badly. I imagine the only answer is to replace those tiles. What are your thoughts?    A. The good... Read More

It is not necessary to hone a polished stone prior to applying a poultice but honing will open the pores of the stone allowing for increased dwell time of the chemical. TIP If you hone the stone before applying the poultice make sure that the stone... Read More

Q. I accidentally left a candle on my wood burner, lit a fire and the wax melted. The candle was on a saucer which collected most of the wax. When I moved the candle and placed it on the hearth, I spilt the wax. After it had cooled down I lifted the... Read More

Q. I am making some improvements to an 87 yr old building with limestone floors. There are some copper stains on the limestone, caused by some moisture and the copper lights bleeding. Please tell me how to clean up this stain. A. Use a soft brush... Read More

Q. I believe I have spill marks of vinegar and also some cleaning solution that stained my marble and limestone floors. I need help in which poultice to use.   A. Marble and limestone are calcium-based stones, which means they are sensitive to acids... Read More

Q. How would I remove a WD40 stain from an unsealed limestone hearth? A.  To remove WD-40 from unsealed limestone, we recommend the poultice method of stain removal. Mix a good degreaser, which can be purchased at Home Depot or Lowe’s,... Read More

Q. I left a DRY cotton cloth (it was attached to a floor mop like a swifter) on the tile floor overnight. I was planning to mop floor but never got around to it. However, when I removed the mop, the tile in that area was faded white. I have tried to... Read More

  Q. I have a shower floor that has small stones of different colors and it is yellowing in 3 places. This started right after it was installed. Someone told me it was iron in water. How do I get rid of the yellowing? It's in the grout and on... Read More