Q. My pickling vinegar bottle (7 percent acidic) leaked on my flagstone (limestone?) floor. I made a paste of baking soda and applied after washing the floor with Marbalex stone floor cleaner. I let the paste sit for the afternoon to no avail. I... 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. We have a polished travertine table where someone spilled salsa. We wiped it off right away but the finish has been dulled. What can we do to repair it? A. What you are describing are not stains, they are acid etches. The stone has been... Read More

Q. I would like information on how to remove water etches (?) spots that are not smooth when I run my finger over the spot. It is a honed finish and the spots are more like water spots. There is no colored stain, it is more like dull spots scattered... Read More

Q. A plate from the microwave was placed on a polished brownish/black marble table top and left a whitish ring, its smooth to the touch...can it be repaired to remove the ring? A. It is possible to repair, but the question is whether you can do it... Read More

Q.  I have a new home (1 year old). I chose to have crema marfil marble installed in the master bath. The entire floor and the walk-in shower are crema marfil. Neither the installer or the contractor gave me any warning about care of the stone and... Read More

Q. Hello - I'm a handy homeowner looking to repair what appears to be wrong leaning material etching (and kids toothpaste "misses") from my 18 month old crema marfil vanity top. I looked at several of your products and it looks like I need one... Read More

Q. I believe I have spill marks of vinegar and also some cleaning solution that stained my marble and limestone floors. I need help in which poultice to use.   A. Marble and limestone are calcium-based stones, which means they are sensitive to acids... Read More

Q. I see some spots on my newly installed kitchen marble floor. I think something was spilled but I am not sure what. What is the best steps I can take to remove these spots?   A. If these spots are dull etch marks from someone spilling something... Read More

Q. I have a natural stone floor in a house I was renting. I was attempting to clean the grout and I bought a grout cleaner. I used it and now it looks like it has lightened (almost bleached to a degree) the stone where it touched it. I looked on the... Read More