First, avoid two of the big mistakes. Don't wash it in the dishwasher. Wash personally. Wash every part in warm mild water and soap. Use dishwashing soaps like Dawn or Ivory or another mild dish soap. Rinse clean before using. Harsh abrasive cleaners and scrubbers can damage or tarnish the finishes and interior of your containers. As time passes, they can customize the flavors in the stored foods and beverages.