A Graham Tip

Graham is the King of whiteboards.  I had seen him do this trick, but read about how to get permanent marker off a dry marker board…

Check this link out.

  1. Graham Boundy Reply

    Recall your first year chemistry, a solvent is chemically the same as a solute. The wet ink from the pen acts as the solvent and the dry ink on the board is the solute.

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