3. Sharp Knives
Why It’s a Problem:
Dishwashers dull knife blades quickly due to the harsh detergents and the jostling against other utensils. The high humidity can also promote rusting on certain steel types.
What to Do Instead:
- Handwash knives in warm, soapy water.
- Dry immediately with a soft towel.
- Store them in a knife block or magnetic strip to protect the blades.
4. Non-Stick Pans
Why It’s a Problem:
The non-stick coating on pans can deteriorate or peel due to high heat and harsh detergents. This not only reduces the pan's lifespan but can also pose health risks.
What to Do Instead:
- Wash with a soft sponge and mild dish soap.
- Avoid abrasive scrubbers to preserve the coating.
5. Crystal Glassware
Why It’s a Problem:
Crystal is delicate and can crack or become cloudy from the high heat and detergent. The strong water jets can also cause chips or scratches.
What to Do Instead:
- Handwash gently with warm water and a soft cloth.
- Dry immediately to prevent water spots.
- Avoid harsh detergents to maintain clarity.
6. Copper Pots and Pans
Why It’s a Problem:
Copper tarnishes easily in the dishwasher, losing its shine and developing a dull, oxidized surface.
What to Do Instead:
- Wash by hand with mild soap and a soft sponge.
- Use a copper polish occasionally to maintain the shine.
7. Gold-Plated or Decorated Dishware
Why It’s a Problem:
The high heat and abrasive detergents can strip gold plating or decorative finishes, leaving the dishware looking faded and damaged.
What to Do Instead:
- Wash by hand using a mild detergent.
- Avoid scrubbing the decorated areas to prevent wear.
8. Insulated Mugs and Bottles
Why It’s a Problem:
Dishwashers can compromise the vacuum seal in insulated containers, reducing their ability to keep drinks hot or cold.
What to Do Instead:
- Wash with warm soapy water and a bottle brush.
- Rinse thoroughly and air-dry.
9. Aluminum Cookware
Why It’s a Problem:
Aluminum can become discolored or pitted when exposed to dishwasher detergents and water. This affects both its appearance and functionality.
What to Do Instead:
- Handwash with mild soap and water.
- Dry immediately to prevent water spots or corrosion.
10. Thin Plastic Containers
Why It’s a Problem:
Thin or inexpensive plastic containers can warp or melt in the high heat of a dishwasher, making them unusable.
What to Do Instead:
- Handwash lightweight plastic items.
- For sturdier plastics, place them on the top rack if dishwasher-safe.
Step-by-Step Dishwasher Safety Method
If you’re unsure whether an item is dishwasher-safe, follow these steps to avoid damage:
Check Manufacturer Guidelines:
Look for “dishwasher-safe” labels on the item or packaging.Test with a Single Wash (Optional):
If the item is untested, try running it on the top rack during a gentle cycle. Monitor for any changes.Sort Items Properly:
Place fragile items on the top rack and sturdy ones on the bottom. Avoid overloading the dishwasher.Use Gentle Detergents:
Opt for mild, eco-friendly dishwasher detergents to minimize the risk of damage.Air-Dry When Possible:
Skip the heated dry cycle for delicate or sensitive items to reduce stress on materials.
By avoiding these common mistakes and following the recommended care methods, you’ll extend the lifespan of your kitchenware and ensure they stay in top condition for years to come.
