Q. How do you remove rust stains from a terrazzo floor? A. Rust stains, or iron oxidation, on terrazzo can be frustrating, and sometimes, surprisingly complicated to remove. While Iron-Out or similar products can be used in a poultice to draw out the... Read More

Q. I have an (intentionally) distressed marble seat in my shower. After years of use, there is a build up of white on top of it. How do I get rid of it? Thanks. A. What you're describing is likely soap scum, mineral deposits from hard water, or... Read More

Q. I have interior darkly stained flagstone floors throughout the house and very difficult to clean with uneven surfaces. Can I use a steam mop on them without damage or lifting the color? A. Steam mops can damage natural stone, including flagstone,... Read More

Q. Hi - i need help identifying the type of stone on my countertop and the best materials to maintain/ care. A. Without an image or description of your countertop, we cannot determine what type of stone you have. Nevertheless, we will do our best to... Read More

Q. I have laid kota stone on all my stairs and corridor doors. After installation, there were a few stains on the paint and concrete while laying stones. As we didn’t know how to clean the stone, we used thinner and acid to remove those stains.... Read More

Q. My Pietra Cardosa countertops are darkening around the sink and other areas that are not covered for example around the toaster oven. I tried a paste that removes oil stains but it didn’t work. What do you suggest? A. There are several... Read More

Q. How do I get rid of candle wax (black) on a stone fireplace? A. Black candle wax can be frustrating to remove, especially on a porous surface like stone. There are usually two challenges to address: the wax itself, which can seep into the stone,... 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

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 the... Read More

Q. Help! I have mysterious stains on my new marble patio pavers at our home in South Florida. Our stone was set in sand over concrete less than two weeks ago. We noticed red-brown stains after it rained. I’m frustrated because I can remove the... Read More