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How to Remove Dull Spots on Marble

Q. I would like information on how to remove water etches (?) spots that are not smooth when I run my finger over the spot. It is a honed finish and the spots are more like water spots. There is no colored stain, it is more like dull spots scattered... Read More

My customer’s granite tile floor has developed several white streaks. They’ve tried several things but they don’t seem to go away. What can I suggest they use to clean them off?

These white streaks may be hard-water deposits, which can prove very difficult to remove. Suggest that they try a sulfamic acid-based tile-and-grout cleaner. CAUTION Make sure to let them know to NOT use sulfamic acid or any acids on marble. Acid... Read More

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