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. I have a bathroom counter that is bluestone. Before it could be sealed a bottle of liquid hand soap was put on the surface forming a ring. Also several drops of soap were dropped on the surface causing spots. What is the best method for removing... Read More

Q. We have hair line scratches in our granite vanity countertop that looks like it has just scratched the seal and not the stone. Will acetone remove the sealer so we can verify, fix, and reseal the area? Also what acetone would be recommended for... Read More

Q. I spilled a little bit of floor wax on the stone that sits in front of my fireplace. Can you tell me how to get that stain off? It’s been on there for a couple of years, I’m afraid. Thank you. A. Removing floor wax from your stone... 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. We had mosaic marble tiles installed in our bathroom about a month ago and recently noticed the tiles about 12 inches around the toilet were a darker gray color than the rest of the floor due to a leak in the wax seal when the toilet was replaced.... Read More

Q. I purchased an oil stain remover poultice and used it on my light, whitish-gray quartzite to remove a very faint oil ring. I only used the product on one section. Now, that area is white, almost bleached. From what I can tell, the stain is gone. I... Read More

Q. I have a Pietra Cardosa countertop. I was using a descaling chemical solution to clean an appliance and accidentally spilled some, leaving a handprint-sized discoloration. The black countertop has turned almost white in that area. If you have any... 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