Copper mugs have become increasingly popular for serving a variety of beverages, particularly the famous Moscow Mule cocktail. These mugs are not only aesthetically pleasing but also help to keep drinks colder for longer periods. However, many people wonder if copper mugs can be safely placed in the dishwasher without causing any damage. Let’s explore this question and provide some insights on how to care for your copper mugs effectively.
Understanding the Nature of Copper
Before determining whether copper mugs can be put in the dishwasher, it’s essential to understand the nature of copper itself. Copper is a soft metal that can easily react with certain substances, leading to discoloration or tarnish. This reaction is particularly common when copper comes into contact with acidic beverages like citrus juices or carbonated drinks. Dishwashing detergents also tend to be slightly acidic, which can worsen the reaction.
The Potential Risks of Dishwashing Copper Mugs
When copper mugs are placed in the dishwasher, several risks may arise. These risks include the following:
- Tarnishing: Copper can tarnish when it comes into contact with heat, moisture, and certain chemicals. The high temperatures and strong detergents in dishwashers may accelerate tarnishing, resulting in a dull or discolored appearance.
- Damage to Protective Coating: Some copper mugs feature a protective lacquer or coating to prevent tarnishing. The heat and chemicals in the dishwasher can potentially strip away this protective layer, leaving the copper vulnerable to tarnish.
- Bending or Denting: Copper is a soft metal that can easily warp or deform under pressure. The powerful water jets and movement in a dishwasher may cause your copper mug to easily bend or dent.
- Damage to Handles or Decorations: Many copper mugs have decorative handles or other embellishments. These delicate features may be easily damaged or detached when subjected to the vigorous movements of a dishwasher.
Taking Care of Your Copper Mugs
Although placing copper mugs in the dishwasher poses certain risks, there are steps you can take to ensure the longevity and beauty of your mugs:
- Handwashing: The safest and most effective way to clean copper mugs is by handwashing them. Simply use warm water, a soft sponge, and a gentle dish soap. Remember to dry them thoroughly afterward to prevent any moisture from lingering.
- Avoid Abrasive Materials: To avoid scratching the copper surface, it’s important to use non-abrasive cleaning materials. Avoid steel wool, harsh scrub brushes, or abrasive cleaning pads.
- Use Baking Soda and Lemon Juice: If your copper mugs become tarnished, avoid using harsh chemicals or abrasive cleaners. Instead, you can create a gentle cleaning paste using baking soda and lemon juice. Apply the paste to a soft cloth or sponge and gently rub the tarnished areas. Rinse thoroughly and dry well.
- Store Properly: After cleaning your copper mugs, ensure they are stored in a dry and well-ventilated area. Avoid stacking them, as this can cause scratches or deformations.
- Occasional Lacquer Reapplication: If your copper mugs have a protective lacquer coating, it may be necessary to reapply it from time to time. Follow the manufacturer’s instructions for lacquer application, ensuring the mugs are clean and dry before applying.
While copper mugs can add an elegant touch to your beverage service, it is generally not recommended to put them in the dishwasher. The risks of tarnishing, damage to protective coatings, warping, and detachment of delicate features outweigh the convenience of dishwasher cleaning. Instead, opt for gentle handwashing using warm water, a soft sponge, and mild dish soap. With proper care, your copper mugs can retain their beauty and keep your drinks cool for years to come.