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Q. I would like to know if granite is a delicate stone that can be chipped easily? A. Granite is not delicate. In fact it is one of the hardest minerals. However, it is made up of several minerals that are glued together through natural processes.... Read More

Q. How do I treat an oily stain on my granite or marble?A. For oily stains our favorite is acetone, which is available at any hardware or paint store. Forget your nail polish remover. Some of them contain other chemicals, and others contain no... Read More

Q. Is granite sensitive to acids? A. Unlike marble, granite is not a calcite based stone and is not generally vulnerable to acids. However, some stones, even though they are marketed as granite, may in fact have calcium in their makeup. Furthermore,... Read More

Q. I understand that some stones are more porous than others and one application of sealer/impregnator may not be enough. But how will I know?A. On granites, at least two applications of sealer are recommended, with at least two hours in between... Read More

Q. Can one re-dye or darken Black Galaxy granite? Acetone did not remove any black coloring only a grey slurry during the honing process. A.  For additional help, contact your stone and tile restoration contractor. A sealer will need to be applied... Read More

Q. When will I know if it is time to re-seal my granite?A. To find out if your granite or other natural stone is still adequately sealed, spill some water on it and wait for approximately half an hour, then wipe it dry. If the surface of the stone... Read More

Q. I put extremely microwaved hot vinegar and water on my natural stone and let it sit there, thinking it would clean it, but it discolored the stone badly. I imagine the only answer is to replace those tiles. What are your thoughts?    A. The good... Read More

How to Remove Oil Stains on a Granite Floor Oily stains on a granite floor can be difficult to remove. Assuming you have not had success cleaning the affected area, your next step is to apply a poultice.  Fred Hueston, Chief Technical Director of... Read More

Q. There is a discoloration on my granite from where I suspect Miracle Grow leaked through the planter pot. The granite finish is still perfectly smooth. How do I remove this stain? The stain is the same color as the Miracle Grow. A Miracle Grow... Read More

Q. My granite has a red candle wax stain. What is the best way to remove the stain? A. Dyes can be extremely difficult to remove, especially the red and orange colors. The dye in the wax will need a solvent to remove the stain. Clean the area with a... Read More