how to clean tea cups
Steps to Remove the Stain: 1  Begin by washing the cup as usual to remove any surface liquid/stains that may be present. 2  Next, mix up a paste using one of the following mixtures. 3  Baking soda and water. 4  Equal parts of white vinegar and salt. 5  Make sure the stained areas of the cup are wet. Rinse the cup with water. 2  Sprinkle enough Bar Keepers Friend powder over the surface to make a light paste. 3  Go over the area with a cloth scouring pad to ensure the paste covers the stains. 4  Wait about five minutes, but do not let the paste dry on the cup.