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. Some lime juice got spilled on my Bluestone table top and it left a big dull spot. Is there anything I can do to bring back the shine? A. The great news is that in most cases, natural stone can be restored to look like new. Unlike marble,... Read More

Q. My pickling vinegar bottle (7 percent acidic) leaked on my flagstone floor. I made a paste of baking soda and applied it after washing the floor with stone floor cleaner. I let the paste sit for the afternoon to no avail. I would appreciate any... Read More

Q. We have a new home with black limestone in the master bathroom shower. I am looking to make a DIY cleaner for routine cleaning of the stone. Do you have a recipe or suggestion of products to use to make the cleaner? A. DIY cleaners can be risky... Read More

Q. Someone spilled white wine on my onyx table last night. I wiped it up, but this morning I see that it looks like it penetrated the table and left a dull finish about 15 inches wide. Any suggestions on what to do? I have a feeling time is of the... Read More

Q. I just finished putting in a new black marble shower wall... literally giving it its first cleaning. I had no idea that some bathroom cleaners would immediately etch into it. Please, for the love of God, tell me there’s something I can do...... Read More

Q. My porcelain tiles were very slippery (dangerous) when wet, so I used a product to make them more slip-resistant. It worked, but now I have several tiles with 5 or 6 droplet-like stains that I can't remove. The anti-slip product contains... Read More

Q. I used vinegar to clean my mosaic shower tile, black and white pebbles of tumbled marble. I didn’t know I shouldn’t use vinegar. Now they are discolored. Do I just need to re-seal it? A. We understand your concern about the... 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