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- How to remove calcium build-up on headstone Q. How would I get rid of calcium buildup on a headstone? The primary surface is polished and where the engraving is it is rough. The calcium from the hard water has caused a buildup, especially in the rough area. What should I use to get the calciu... Read More
- limestone with mold / mildew stains in grout joints. 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 li... Read More
- I spilled a chemical on my Pietra Cardosa countertop, causing it to turn white. How do I restore the color? Q. I have a Pietra Cardosa countertop, and one handprint sized area has turned almost white on the black counter top because of the spilling of a descaling chemical solution that I was using to clean an appliance. If you have any suggestions for how... Read More
- Does travertine pool coping need to be sealed? Can it be dyed? Q. Does travertine pool coping need to be sealed? Can it be dyed? We are not really loving our new travertine pool coping. We love the material but not the color. The stone has a honed finish. We were thinking about putting some kind of dye intoÂ... Read More
- Will Acetone Remove the Seal on Granite Countertops? Q. We have hairline scratches in our Granite vanity counter top that look like it has just scratched the seal and not the stone. Will Acetone remove the sealer so we can verify, fix and reseal the area? Also what Acetone would be recommended for Gran... Read More
- black spots on travertine shower Q. My master bath was remodeled approx. 8 months ago and we used honed and tumbled travertine. It was professionally installed and moisture barrier was used in shower. Approx a month ago, I noticed a few black "dots" on the floor of the shower (they ... Read More
- Restoration of Crema Marfil 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 a... Read More
- remove travertine tiles Q. I have to do a repair around a jetted tub set in 12" travertine tile landing. All the tiles are set in grout. Is there a way to dissolve the grout & save the tiles? Thanks, Tom--A. Hi Tom, There is a risk factor involved with this task. Of co... Read More
- Efflorescence - Removal and Prevention Efflorescence - Removal and Prevention By Frederick M. Hueston www.stoneforensics.com The crystallization of soluble salts in Historic masonry causes severe deterioration of the substrate. This crystallization is called subfl... Read More
- Can travertine be polished after it has been sealed? Q. We recently had travertine cross cut Torreon placed in our kitchen foyer and hallway the floor was sealed by the installer. However we would prefer to have more of a shine to the floor then we presently have. Can we, now that the floor is sealed, ... Read More
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