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 spilled some coffee on my tile, and it won’t come off. I tried floor cleaning solution, vinegar and water, vinegar and baking soda, watered bleach, and hydrogen peroxide. Nothing seems to work. I am pretty sure it is porcelain tile.  A.... 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. I have polished white marble that is too slippery for the floor. What is the best way to take away the polish? I have not laid the tile yet. We are planning to lay the floor ASAP. A. The route you choose to take to make this floor more slip... 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. 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. What is the best way to clean a white marble bathtub? What is the best way to keep it clean? What shampoos and soaps should be used by people in marble bathtubs? A. It’s great that you’re thinking proactively—not just about... Read More