Q. Discolored granite near sink. Darker near soap dispenser. It's obvious that we didn't seal it properly because it was perfect when it was installed 4 years ago. I tried doing couple DYI solutions to remove Paris of plaster w water... Read More

Q. The installer of my granite countertop used a color enhancing and impregnating sealer.  I wish he would have asked if I wanted the deepened color. Is there any way to return the granite to the original color and then reseal with non enhancing... Read More

Marble and granite can certainly be mixed in various patterns on a floor. Different finishes, such as honed and polished, can also be mixed. While these combinations can be very attractive, their maintenance and eventual restoration must also be... Read More

Always use cold to warm water to mix a poultice. Certain chemicals will be become very reactive in hot water and can be dangerous. TIP Many chemicals when mixed with water will generate their own heat. For this reason never mix a poultice in a paper... Read More

Reusing a poultice powder for stain removal is not advisable, and here’s why. Fred Hueston, Chief Technical Director of Surface Care Pros and Owner of Stone Forensics explains, “I would not recommend the reuse of poultice powder.... Read More

Q. What is the best way to remove a blue stain on flagstone caused by plant fertilizer? It is several days old. The flagstone is an outside border on a raised planter bed. A. Blue fertilizer stains can be challenging on flagstone, especially outdoors... Read More

Q. After making homemade bath bar soap (consisting of tallow, coconut oil, palm oil, and lye), upon removal from the forms, we placed the soap blocks on wax paper and set it on our quartz counter tops. After being gone for a few days, we returned to... Read More

Q. I just received a new quartzite install, and there is a crack at the sink extending to the hole for the soap dispenser. The fabricator claims it does not affect the integrity of the stone, since apparently it's not a full-depth crack, and... Read More

Q. What is the best way to clean a white marble bathtub? What is the best way to keep it clean? What shampoos and soaps should be used by people in marble bathtubs? A. It’s great that you’re thinking proactively—not just about... Read More

Q. I purchased an oil stain remover poultice and used it on my light, whitish-gray quartzite to remove a very faint oil ring. I only used the product on one section. Now, that area is white, almost bleached. From what I can tell, the stain is gone. I... Read More