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. Any help as to how to remove crayon from stone would be greatly appreciated! A. Crayon marks on stone are a combination of wax and pigment. Both will need to be removed from the surface and the pores of the stone. Start by carefully scraping any... Read More

Q. We recently decided to use our small patio set, and we took it out of storage, and there is a broken bird a egg on the stone top. Obviously, this must have happened in spring. The contents of the egg is as hard as a rock. Is there a safe solution... Read More

Q. Hi - i need help identifying the type of stone on my countertop and the best materials to maintain/ care. A. Without an image or description of your countertop, we cannot determine what type of stone you have. Nevertheless, we will do our best to... Read More

Q. Can an impregnator be used to waterproof stone? A. Not exactly. An impregnator will make the stone water resistant, but it will not make it waterproof. Impregnating sealers are designed to penetrate the surface and fill the microscopic pores... Read More

Q. How do you remove rust stains from a terrazzo floor? A. Rust stains, or iron oxidation, on terrazzo can be frustrating, and sometimes, surprisingly complicated to remove. While Iron-Out or similar products can be used in a poultice to draw out the... Read More

Q. How do I remove pet discolorations on my bluestone hearth that did not come clean with mild soap / water/ scrubbing? A. The answer to this question depends on what caused the discolorations. Bluestone can becomes discolored by pets in various ways... Read More

Q. How do I clean a yellow marble figurine to make it white again? I have tried marble cleaner to no avail. A. Your DIY methods will differ depending on how the marble turned yellow. One possibility is that the stone absorbed some sort of staining... Read More

Q. I have an (intentionally) distressed marble seat in my shower. After years of use, there is a build up of white on top of it. How do I get rid of it? Thanks. A. What you're describing is likely soap scum, mineral deposits from hard water, or... Read More

Q. I purchased prefab granite counters after being told it was every bit as good as regular granite slabs. They were installed in January and in March I started noticing the granite was cracking and small pieces popping up. A piece got caught in my... Read More