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How to Remove Graphite and Pencil Lead Stains

Stone Surfaces

Follow these steps to remove graphite and pencil lead from Bluestone, Brick, Concrete, Flagstone, Granite, Limestone, Slate, Terrazzo:

  • Wash the stain with a solution of washing soda and water.
  • Scrub with a cloth or soft-bristled brush.
  • Rinse thoroughly with clear water and allow to dry.