Q. How do I treat a metal stain?A. For metal stains, our favorite is a white powder (to be melted in water), which is available at fine hardware stores all over the country under the trade name of "Iron-out." Read More

How to Prevent Urine Stains on Marble Floors In men’s restrooms with marble floors, urine stains and odors can be a real problem. Since marble is porous, marble floors in men’s restrooms should be sealed to inhibit staining. The sealer... Read More

Once a stain is removed, it may come back, depending on how deep the stain is or what caused the stain in the first place. If the stain is coming from behind the stone, chances are it may come back. If this is the case and the stain reappears I would... Read More

Q. I waxed my stone tile floors with Quick Shine after removing dried up salt from the snow with clear water. It didn't look the best, because I used a cheap wax mop. Then, I put bleach in water to try and remove the wax and got chalky like... Read More

Q. I am making some improvements to an 87 yr old building with limestone floors. There are some copper stains on the limestone, caused by some moisture and the copper lights bleeding. Please tell me how to clean up this stain. A. Use a soft brush... Read More

Q. Dear Sir/Madam, i have laid kota stone on my all stairs and corrie doors. after installation of stone, there were few stains on the paints and concrete stain while laying stones. As we didnt know, how to clean the stone, we used thinner and acid... Read More

Q. We had a new lueders limestone fireplace surround installed. There are darker stripes on each side of all grout lines. Installer said grout was not acrylic, but grout did have some colorant. Stone has dried now three weeks and stains still present... 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. We have mold buildup in grout joints and surface has film on it. What is best to clean mold and remove film from surface?   A. There are several cleaners that will remove the mold but you must be careful to choose one that will not damage the... 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