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Q.  My son spilled apple juice on my new limestone floor and now there are marks. Can this be fixed? A.  Limestone is extremely sensitive to acids and most likely the dull spots are where the acids in the apple juice have now etched the stone.... Read More

Q: We have a travertine dining room table. One of our cats got sick on it the other night. The next morning when we cleaned up the vomit, because of the acid in his stomach, it left a small stain about the size of a dollar bill. Is there a way to... Read More

Q. Hi, I have a tumbled crema marfil kitchen floor. It is 5 years old. It appears to hold the dirt in cracks that appear to have increased over time. When I have the floor steamed cleaned it looks really great but months later it becomes so dirty... Read More

Q. I cleaned soap scum off a stone tile shower with vinegar and it made white marks and streaks all over the shower walls. I can remove the sealer with cleaner but the white marks are still there. How do I fix it? A. If your shower is marble or... Read More

Q. I randomly stumbled on your website. I have a quick question if you’re willing to share advice. I have marble (or it’s quartzite) in my bathroom, and somehow it’s rusting where the faucet is. The stone is changing a rust color. I... Read More

Q. I put extremely microwaved hot vinegar and water on my natural stone and let it sit there, thinking it would clean it, but it discolored the stone badly. I imagine the only answer is to replace those tiles. What are your thoughts?    A. The good... Read More

Q: How can I remove etching that has formed on my Lagos Azul floor from cat urine? I cleaned it up pretty quickly but I see etching. A: Etching is the result of any acid coming into contact with the stone. Unfortunately the only way... Read More

Q. What is the best cleaner to use on limestone floors? The floors in my bathroom are starting to look very dirty, with grayish marks and spots all over. A. It sounds like your floors have been etched -- probably by using an acid based cleaner. Many... Read More

Q: We purchased and had some beautiful light tan/beige marble installed on our master bathroom floor, 42" glass enclosed (2 sides) shower walls and tub enclosure. After five years, where we attempted to keep the shower walls clean, there is a... Read More

Q. I think the cleaning company spilled toilet bowl cleaner on my black granite floor and it left a stain.  What do I do? A. There are several possibilities. One, it is possible that you have a stone that has been 'doctored.' Some less... Read More