Q. How can I remove white stains from rubbing alcohol dripping on my saltillo tile? The tile is sealed but the sealant probably needs to be redone. A. The alcohol has removed the existing sealer. The best thing to do is to strip the existing... Read More

Q. A Liquid Plumber bottle leaked on my beige limestone bathroom floor. It looks like a wet mark. Is there anything I can try to remove stain? It is a heated floor. A. Liquid Plumber is a very high alkaline substance, which leads our stone expert to... 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. How do I remove pet discolorations on my bluestone hearth that did not come clean with mild soap / water/ scrubbing? A. The answer to this question depends on what caused the discolorations. Bluestone can becomes discolored by pets in various ways... Read More

Q. How can I remove a boiled linseed oil stain from natural stone? A. Boiled linseed oil can leave a dark, sticky, and persistent stain on natural stone that doesn’t respond to simple cleaning. It penetrates the pores of stone and resists water... Read More

Q. What product is successful to remove calcium build-up on our family marble gravestone?  A. The best products for removing calcium build-up on marble gravestones, headstones, monuments, and other exterior marble are cleaners specifically made for... 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 spilled some turmeric spice on our blue stone kitchen floor. Any ideas on how to remove it? A. First, blot up any fresh turmeric with a soft cloth or paper towel. Avoid rubbing. It will push the staining agents deeper into the stone.  NOTE:... Read More

Q. Our bathroom countertops are dark grey Limestone. There is a 4 inch round white stain on the countertop beside the sink. I THINK IT IS TOOTHPASTE RESIDUE. We are listing our house for sale this week and the stain needs to disappear ASAP. A.... Read More

Q. Please advise what kind of poultice should I use for red shirt dye in Yorkshire stone flag stone. A. Yorkshire stone is a soft, thirsty sandstone that grabs color quickly. The good news is that most clothing dyes are organic, which means they can... Read More