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Q. The floor of my shower stall is covered with grouted sliced stones on mesh. The contractor sealed the floor with a "wet-enhancing" sealer about 3 years ago. I've noticed that the lighter stones have become rust-colored. (We have hard water... Read More

Graffiti Removal Procedure for Stone, Masonry, and Tile Surfaces By Frederick M. Hueston, www.stoneforensics.com If your beautiful building, wall, or other surface has just become the unintended canvas for graffiti, your first reaction might be to... Read More

How to Select Your Granite CountertopsEssential questions to ask your stone fabricator  When people are planning on getting new natural stone countertops and ask me what the most important things they will need to know about stone care, I... Read More

Q. I am having problems with my new marble paver Florida patio. The stone is turning yellow on the edges. I have some success with cleaning, but the yellow keeps returning, and it seems to come back a little worse each time. Thank you!   A. The... Read More

A stain removal poultice is designed to dry completely before it is removed. If the poultice does not dry out, it may not be able to effectively absorb and remove the stain. Fred Hueston, Chief Technical Director of Surface Care Pros and Owner of... Read More

Q. I randomly stumbled on your website. I have a quick question if you’re willing to share advice. I have marble (or it’s quartzite) in my bathroom, and somehow it’s rusting where the faucet is. The stone is changing a rust color. I... Read More

When poulticing a rust stain on a marble floor, the stain can become darker and more wide spread. What is happening? Chances are the source of the rust is under the tile. A nail or metal object may have been left behind when the tile was installed.... Read More

Q. How do I remove a rust stain on my marble floor? A. Rust is one of the most difficult stains to remove from marble, granite and other stone surfaces. Many of the rust removers available in stores can damage stone. We have found a great method for... Read More

Q. I am purchasing natural stone countertops, and I am concerned that I might not recognize the difference between naturally-occurring imperfections and unnatural damage. Can you provide some resources to help me make a good decision on my purchase?... Read More

Q. Wax from a citronella candle spilled onto my outdoor natural stone bench. Please advise on a remedy to remove this. A. Candle wax can present a few issues. The candle wax that has melted onto the surface and into the pores of the stone and will... Read More