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- 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
- Did a stone-safe oil stain remover bleach my quartzite? Q. I used an oil stain remover made for natural stone on my light whitish-gray quartzite to remove a very faint oil ring. I did only one section and the area turned white, almost bleached. From what I could tell, the stain was gone. I contacted t... Read More
- My shower floor started yellowing right after it was installed. How do I get rid of this? Q. I have a shower floor that has small stones of different colors and it is yellowing in 3 places. This started right after it was installed. Someone told me it was iron in water. How do I get rid of the yellowing? It's in the grout and on t... Read More
- Should I use a poultice to remove an olive oil stain from quartzite? Q. We just installed our new quartzite slab on to our kitchen island and three days later we have a distinctly round stain from where our olive oil dispenser was sitting on the counter. Should I be using poultice to get this out, or is there a better... Read More
- How do we clean white spots from bird droppings on colored concrete? Q. How do we clean white spots from bird droppings on colored concrete? We have a church under construction with tiles on the floor. Windows hadn't been put in yet, and birds came in. The tiles are left stained white from the droppings. Ther... Read More
- What causes spots and ring shaped marks on marble? 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 possibl... Read More
- What do I use to remove chalky stains on my stone? 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 stai... Read More
- Can you remove stains from marble floors in an entry way ? Q. Can you remove stains from marble floors in an entry way? The entrances has 36 tiles. The stain covers about about 10 tiles. We don't know what caused the stains, because they were here when we bought the house. We suspect it may be dog uri... Read More
- How do I remove stains and etching from my marble vanity? Q. How do I remove stains and etching from my marble vanity? It is polished marble. An area the size of a tennis ball is a bit darker as a liquid soap container tipped over and wasn't seen for a while. The surface feels the same as the counter.... Read More
- How to Remove Stains and Etching on a Marble Vanity Q. I have stains and etch damage on my marble vanity. Can I remove this myself or is this a job for a professional? An area the size of a tennis ball is a bit darker as a liquid soap container tipped over and wasn't seen for a while. The sur... Read More
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