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To easily remove the unsightly water marks left unintentionally on a waxed wooden cabinet...

Rub the stained area and the surrounding area vigorously with a simple cork. If the furniture has been regularly maintained and waxed, the heat released by the rubbing of the cork should allow both to thin the film of wax on the wood and polish the stain that you will see then disappear in just a few minutes.

Video Instruction: Biscuit Joinery Tips and Tricks