Common causes include lemon juice, vinegar, wine, tomatoes, soft drinks, and acidic cleaners. An etched area looks dull, lighter, or rough and is different from a stain. Sealer does not stop the chemical reaction. Minor etching may be polished or refinished, while widespread damage generally requires professional restoration.

Key considerations

  • chemical sensitivity
  • repairability
  • appearance restoration
  • polished or honed finish
  • professional restoration
  • natural stone
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