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How to remove an olive oil stain from a quartzite countertop?

Q. We just installed our new quartzite slab on our kitchen island and three days later we have a distinctly round stain from where our olive oil dispenser was sitting on the counter. Should I be using a poultice to get this out, or is there a better... Read More

How can I remove a water stain on a stone or slate tabletop?

Q. A water stain was caused by a plant pot overflowing, and the overflow stood for 24 hours, leaving an outline. I tried to clean the outline with steel wool and made a worse mark. What can I do? I am not sure if the table is stone or slate. A. Just... Read More

Are white spots on Skyfall marble a sign of inferior stone?

Q. I am about to purchase a beautiful slab of marble for my pool house. It is called Skyfall marble. It has blue, green hues with grey. The slab is covered with smooth white spots. The distributer said they are natural, but I can't find ANYTHING... Read More

How to remove chlorine residue from a natural rock waterfall?

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

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