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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?

Feb 4, 2026 white streaks, hard-water deposits, difficult to remove, sulfamic acid-based cleaner, caution, marble, etch, rep 0 0 59 0/5 (0 Vote)

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

marble soot stain

Feb 6, 2026 fireplace marble, poultice 0 0 86 0/5 (0 Vote)

Q. My fireplace surround is a honey colored marble which has become stained black from what I assume is smoke/soot from building fires in it. These stains appear to be below the surface, that is to say that the marble retains its sheen and most of... Read More

Marble tile etched

Feb 6, 2026 marble etching, repolishing 0 0 65 0/5 (0 Vote)

Q. I recently laid out 30 sq feet of marble tile in an entry way. The tile originally was of a high gloss polished look. After the grouting I had a persistent grout haze that would not go away. The instructions on the grout said to use vinegar and... Read More

Hot plate left brownish / black mark and white ring on marble top.

Feb 5, 2026 brown mark left on marble, hot plate stained marble, marble stain removal, etch removal, repairing damage on marble table top, burn mark on marble 0 0 77 0/5 (0 Vote)

Q. A plate from the microwave was placed on a polished brownish/black marble table top and left a whitish ring, its smooth to the touch...can it be repaired to remove the ring? A. It is possible to repair, but the question is whether you can do it... Read More

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