How to Remove Residual Acid Cleaner
Q. We installed a marble shower wall, and the contractor used an acid to clean it. We had it professionally repolished, but it keeps getting etched after we take a shower. What’s causing the etching and how do we correct it? A. If you... Read More
marble needing acid washing for care
Q. A tile merchant told me that you re-seal polished marble yearly and after 2 to 3 years you have to have it acid washed. Considering marble for bathtub surround walls and floor. Is travertine any less care? Live in hard water area. A. The frequen... Read More
Is granite sensitive to acids?
Unlike marble, granite is not a calcite based stone and is not generally vulnerable to acids. However, some stones, even though they are marketed as granite, may in fact have calcium in their makeup. Furthermore, there is one acid that will severely ... Read More
Etched Travertine Dining Room Table
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 pol... Read More
Will solvent remove grout haze on porcelain tile?
Q. Is there a solvent that can be used to safely remove years old grout haze from porcelain tile? I can provide more information as you need. Thank you. A. For standard grout, you will need an acid-based grout cleaner. For epoxy grout, then a stron... Read More
Recommendations for Removing White Marks on Kota Stone
Q. Dear Sir/Madam, i have laid kota stone on my all stairs and corrie doors. after installation of stone, there were few staines on the paints and concrete staine while laying stones. As we didnt know, how to clean the stone, we used thinner and aci... Read More
How to remove stain on bathroom stone tiles
Q. I hired a cleaner and she used limeaway with mold control from Clorox. And it appeared to have left white stains in my bathroom stone tiles. These don‘t wash away with water. What should I do? A. Unfortunately, this is not a stain that you a... Read More
Can Dye Be Removed From the Limestone
Q. Our limestone fountain is dyed on special occasions. The purple dye is penetrating the limestone at the bottom of the wall. How can the purple dye be removed from the limestone? I have tried acid and chlorine. Any suggestions? A. Than... Read More