Before revision: The Corning Museum of Glass recommends washing with tap water and a mild conservation detergent, followed by rinsing with de-ionized or distilled water, followed by careful drying to remove moisture.
After revision: (non-ionic)The Corning Museum of Glass recommends washing with tap water and a mild conservation detergent, followed by rinsing with de-ionized or distilled water, followed by careful drying to remove moisture.