Q. How can I remove paint drops marks from full body porcelain tiles? It is oil base and water base paint. A. Methods for removing paint marks from full-body porcelain tiles depend on the type of paint and how long it has been there. For water-based... Read More

Q. Water feature has chlorine residue buildup causing a white stain on natural rock waterfall. How can I remove the chlorine residue from the rock? A. What you are seeing is likely mineral deposits. Chlorinated water doesn’t cause the deposits,... Read More

Q. We just finished the installation of our walkway with bluestone 4 weeks ago. However, on almost every piece of the stone, there are different shapes and sizes of water stains like footprints or footballs on them and never go away even in the dry... Read More

Q. I have a water circle stain on my limestone. How do I remove the stain? A. Limestone is a porous, calcium carbonate-based stone that is sensitive to acids and moisture. Liquids can absorb into its surface if it's unsealed or the sealer is... 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. 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. Mix a few... Read More

Q. I have unsealed travertine outdoor tiles that are badly stained from a large pot. This pottery pot had a large palm in it. It became clogged and, with so much rain over time, started oozing dirty water from the pot. The breakdown of the pottery... Read More

Q. How do I remove a wine stain from my limestone floors. Also, how do I clean and seal my floors? I’ve had them for 10 years and they need cleaning in high traffic areas. A. Limestone is a beautiful but delicate calcium-based stone, and its... 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. Any help as to how to remove crayon from stone would be greatly appreciated! A. Crayon marks on stone are a combination of wax and pigment. Both will need to be removed from the surface and the pores of the stone. Start by carefully scraping any... Read More