Things You Absolutely Should Not Put in a Dishwasher

ADVERTISEMENT
🧼 Dishwasher Dos & Don’ts
Your dishwasher is a marvel of convenience—but it’s not built for everything. The mix of scalding water, strong detergents, and high-pressure jets can damage certain items fast, sometimes beyond repair.
ADVERTISEMENT
Here’s a practical guide to what should never go in the dishwasher—and how to care for them instead.
ADVERTISEMENT
đźš« 10 Items to Always Hand-Wash
1. Sharp Knives (Chef’s, Paring, Steak)
- Why: Jets dull blades; detergent corrodes steel.
- Instead: Wash with mild soap, dry immediately, store in a sheath or block.
2. Cast Iron Skillets & Pots
- Why: Dishwashers strip seasoning, cause rust, ruin non-stick surface.
- Instead: Rinse with hot water, scrub (no soap), dry on stove, oil lightly.
3. Wooden Utensils, Boards & Bowls
- Why: Heat + moisture = warping, cracks, bacteria.
- Instead: Hand-wash, air-dry upright, condition monthly with mineral oil.
4. Nonstick Cookware (Teflon, Ceramic, etc.)
- Why: Detergent breaks down coating, leading to flaking.
- Instead: Use a soft sponge + mild soap; avoid steel wool.
5. Insulated Drinkware (Yeti, Hydro Flask, Thermos)
- Why: Heat ruins vacuum seals; gaskets trap grime.
- Instead: Wash body by hand; clean lids/gaskets separately with a bottle brush.
6. Aluminum Bakeware & Pans
- Why: Detergent reacts, leaving dull, dark, or pitted surfaces.
- Instead: Hand-wash with gentle cleaner (Bar Keepers Friend works well).
7. Copper Cookware
- Why: Loses shine, tarnishes, may leach metal.
- Instead: Wash by hand; polish with lemon + salt or copper cleaner.
8. Fine China & Metallic-Rimmed Dishware
- Why: Gold/platinum fades; delicate glazes crack.
- Instead: Wash gently in warm, soapy water; dry with lint-free cloth.
9. Crystal & Hand-Blown Glass
- Why: Heat causes cloudiness or cracks.
- Instead: Wash carefully by hand; avoid sudden temperature changes.
10. Graters, Garlic Presses & Small Gadgets
- Why: Food lodges in crevices—dishwasher won’t clean thoroughly.
- Instead: Scrub immediately with a small brush under running water.
⚠️ “Use With Caution” Items
- Stainless Steel: Usually safe—check manufacturer’s instructions.
- Silicone Bakeware: Dishwasher-safe (top rack preferred).
- Plastic Containers: Only if labeled “dishwasher-safe”; place on top rack to prevent warping.
❤️ The Takeaway
Saving 30 seconds by tossing the wrong item in the dishwasher can cost you years of use. Protect your tools, and they’ll serve you for a lifetime.
✨ When in doubt, hand-wash. Your kitchen will thank you.




