By hand Wash your glasses individually using warm water, gentle dish soap, and a non-abrasive sponge or washcloth. After washing, rinse interior of glass first, then tilt glass downwards and rinse under the faucet ending with the foot. In the dishwasher Set your dish washer on a gentle cycle at a maximum temperature of 104°F. Washing at too high a temperature runs the risk of producing a chemical reaction that will stain the crystal and give it a milky appearance. Use gentle dish soap Do not use detergent Decanters Hand wash in warm water with a soft sponge and gentle dish soap. It is best not to leave wine in the decanters and to rinse them immediately after use. Store your decanters without the stopper in place to allow for airing. To absorb any remaining moisture, roll a sheet of paper towel into a loose tube and insert into decanter for about 10 hours. If misting occurs, pour in a handful of coarse salt and a half liter of spirit vinegar. Shake vigorously and rinse several times with warm water.