Natural Stone

Q. Started a project of refinishing my kitchen table. I put polyurethane on the table top. I must have spilled some of the poly on my granite. It has hardened. How do I remove from my granite? Thank you! A. If the polyurethane spill is large, thick,... Read More

Q. Stain on white granite is plant food for flowers. Color of stain is blue. Have tried stone cleaner at least 3 time with no success. A. Blue stains from water-soluble fertilizer can be surprisingly stubborn on light granite. The color usually comes... Read More

Q. Please advise what kind of poultice should I use for red shirt dye in Yorkshire stone flag stone. A. Yorkshire stone is a soft, thirsty sandstone that grabs color quickly. The good news is that most clothing dyes are organic, which means they can... Read More

Q. Water feature has chlorine residue buildup causing a white stain on natural rock waterfall. How can I remove the chlorine residue from the rock? A. What you are seeing is likely mineral deposits. Chlorinated water doesn’t cause the deposits,... Read More

Q. Is it possible to remove a bleach stain from a green slate worktop? This is a Cumbrian slate from the north of England. A. Yes, it is possible to remove a discoloration on slate that was caused by bleach. To be clear, bleach doesn’t actually... Read More

Q. How can I remove drip stains caused by hydrochloride acid that was mixed 10:1 with water?? I was washing the walls and only left the acid mix on for no longer than 5 mins but the lower tiles have drip lines on them. A. What is the tile is... Read More

Q. Apple juice stain on bluestone patio that has not been sealed. Stain is new. A. Good thing you’re tending to the apple-juice stain right away. Fresh organic discolorations on bluestone are almost always removable, especially when they&rsquo... Read More

Q. I have a brown stain on my marble caused by a basket that a house plant was placed in. The stain is brown, the color of the basket. I will use a poultice, but what ingredients should make up this poultice? A. The brown stain on your marble is... Read More

Q. We just finished the installation of our walkway with bluestone 4 weeks ago. However, on almost every piece of the stone, there are different shapes and sizes of water stains like footprints or footballs on them and never go away even in the dry... Read More

Q. Would rubbing alcohol take permanent marker off of marble? A. You can try using rubbing alcohol on marble to remove a permanent marker stain. Since it evaporates quickly, chances are it won't seep into the pores of your marble. Just don'... Read More