Q. Hi, I recently acid cleaned my granite tiles using a 1:20 hydrochloric acid to water solution. The problem is I didn't wet the tiles first so now the tiles look spotty. Is there any way I can remove the acid from the granite tiles? I am keen... 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. 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. Your video talks about a neutral cleaner. Can you expand on what this would be or recommend something? Thank you. A. Whether you need expert services from skilled PROS, or are looking for care and maintenance how-to's, or tips for making... 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. 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. 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