Dishwashers were a blessing when they started popping up in homes in the 1950s. Finally, a quick way to tackle a big pile of dirty dishes. But as much as we love them, they’re not a cure-all — and some items need a good ol’ fashioned hand washing. Here’s what the cleaning pros in the Good Housekeeping Institute want you to keep far away from the rinse cycle:
1. A cast-iron skillet
You know how you have to season your skillet before using it? Well, when you put it in the dishwasher, you’re basically undoing all that hard work. Instead, rinse it in warm water (no soap!) or rub it clean with salt.
2. Any wooden utensils
The hot water and heat used for drying is too harsh for your mixing spoons, spatulas or any other tool made from wood. The material may warp and lose its shape.
3. Wooden cutting boards
Like the wooden spoons, hot water will cause the finish of your favourite wooden board to dull and possibly warp. Instead, use a drop of chlorine bleach and a lot of water to scrub it clean.
4. Your grandma’s vintage plates
If you were gifted the family china when you got married, be wary of exposing it to hot water and detergents that can eat away at gold trim or hand-painted details.
5. Your garlic press
It may speed up supper, but you’ll need to slow down to clean it. Since garlic is sticky in its paste form, bits of it get stuck in the crevices. Wash your press by hand to ensure it’s totally spotless for your next meal prep session.
6. An insulated mug
Some newer travel mugs are dishwasher safe, but for others, your dishwasher will destroy the insulating materials if water gets trapped between the layers.
7. Bottles with labels still on them
If you want to keep your jam jar, make sure you remove the paper label and any adhesive remnants first – these materials usually come off in the dishwasher and can get stuck in the filter, which may lead to more serious problems later (and cost way more to repair than the jam jar is worth).
8. Any aluminum cookware
According to the GHI, any cookware that is made of aluminum will discolour in your dishwasher. This goes for the disposable stuff, too.
9. Your cheese grater
The gratings you just sprinkled on top of your tacos may still be stuck in the holes even after a cycle in the dishwasher. Instead, use soap and a sponge to wash it by hand and ensure today’s cheddar doesn’t mix with tomorrow’s mozzarella.
10. Your fancy chef knives
Since the hard plastic in your dishwasher shouldn’t be nicked, you should keep your knives far away from it. The exception to the rule is if your dishwasher has a rack for knives.
11. Copper pots, pans and mugs
If you enjoy a copper mug as much as we do, you know that half of the appeal is the beautiful colour. But according to the GHI, the harshness of the dishwasher can cause any copper surfaces to dull. Hand wash your copper mugs, pots and pans instead.
12. Cookware with burnt-on stains
So you let the potatoes sit in the oven for a little too long and now you have dark, stubborn crust on your glass baking dish. Since it will take some serious elbow grease to tackle it (plus some baking soda), the dishwasher won’t cut it. Just roll up your sleeves and get working.
13. Your crystal
Keep your punch bowl and glasses far, far away. The high water temperature may leave your crystal chipped, cracked, or dull. You can check with the manufacturer — some crystal is dishwasher safe – but if you do put it in the machine, make sure it’s anchored securely so it doesn’t rattle and break.
From: Good housekeeping UK
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