Q. I used vinegar to clean my shower tile. It is textured marble mesh mounted black and white mosaic tile. I didn't know I shouldn't use vinegar. Now they are discolored. Do I just need to re-seal it? Thank you!   A. The acid in the... Read More

Q. I have a marble table top with a problem, and I need to get some advice on what may have caused it. There are lots of spots plus a few ring shaped marks. The marks cannot be cleaned off. The table was delivered in pristine condition. Is it... Read More

No, it is not true. Many marbles do have veins, but there are some that appear to have no veins at all. On the other hand many granites have no veins but there are also those that do have veins. Determining if a stone is marble or granite should not... Read More

There are several companies who promote a two step recrystallization process. The first step uses the standard recrystallization chemical and then is followed by an application of a second chemical containing waxes which places a higher shine on the... Read More

Why Water-Based Impregnators Leave a Remove Rainbow-Colored Film If your idea of fun as a kid was going outside with a bottle of bubble solution and a wand, it probably wasn’t long before you noticed a weird phenomenon where a swirling rainbow... Read More

Q. I recently moved into a home built in 1980 that has travertine tiles in all of the common rooms of the house including the bathrooms. It is a beautiful stone, but I personally hate it. It is just too much beige, and I also feel it dates the home.... Read More

Q. I have laid kota stone on all my stairs and corridor doors. After installation, there were a few stains on the paint and concrete while laying stones. As we didn’t know how to clean the stone, we used thinner and acid to remove those stains.... 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. I have a Pietra Cardosa countertop. I was using a descaling chemical solution to clean an appliance and accidentally spilled some, leaving a handprint-sized discoloration. The black countertop has turned almost white in that area. If you have any... Read More