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23 Things You Didn't Know Your Dishwasher Could Do—and 2 'Hacks' You Should Never Try

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If you've only been using your dishwasher to scrub plates and utensils, you're not taking advantage of its full potential. Here are 23 additional ways to put the staple kitchen appliance to work—and two misguided dishwasher hacks you should definitely avoid.

1. COOK SALMON.

Raw salmon on top of asparagus spears and garnished with dill and lemon, all in a bed of aluminum foil.
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Is it the most efficient use of your dishwasher? Probably not. But it's a fun experiment. According to this Real Simple recipe, you just need to season two salmon filets with olive oil, lemon or lime juice, salt and pepper, then seal them in two airtight foil packets. Place the packets in the top rack of the dishwasher and run a normal (soap-free) cycle, then remove and enjoy your fuss-free fish.

2. RINSE PRODUCE.

A pile of dirty, unwashed potatoes
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The next time you bring a large amount of fruits and veggies home from the store or farmer's market, don't waste your time cleaning each individual piece. Rinse them in the dishwasher instead. Put more fragile items such as tomatoes and peaches on the top rack, and toss studier produce like potatoes and cantaloupes on the bottom rack. Set your dishwasher to cold and then run a rinse cycle—no detergent necessary.

3. STEAM VEGGIES.

Asparagus in glass jars
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Brit + Co bravely tested this dishwasher cooking hack for you: Place chopped vegetables—green beans and asparagus work especially well—into a Mason jar, then add one cup of water. Season with herbs, spices, butter, or lemon, then seal it shut. Pop the jar onto the top rack of your dishwasher and run a normal cycle. You should have tasty, perfectly seasoned veggies when your dishwasher is done.

4. CLEAN MAKEUP BRUSHES.

A cup full of makeup brushes of various shapes and sizes sitting on a white countertop.
gerenme // iStock

Don't waste time trying to get all of the built-up product out of your makeup brushes by hand. Instead, place them in the silverware caddy or tray of your dishwasher about once a month to remove dried gunk. This method also works for nail clippers, hairbrushes, and combs.

5. CLEAN YOUR COMPUTER KEYBOARD.

Closeup of keyboard keys covered in dirt and filth
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You may want to save this one for a true cleaning emergency, but sources like CNET say that many computer keyboards can be safely sent through the wash to remove sticky grime. (NPR gave the technique a thumbs up, too.) Some don'ts to keep in mind: Don't use soap, don't use hot water, don't put anything else in the dishwasher, and don't use the heated drying cycle. And once your keyboard has gone through the wash, make sure to let it air dry completely—for up to three days—before you use it again.

6. KEEP FOOD WARM.

A round dish covered in foil sits on a table.
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Need to keep cooked food warm while something else occupies your oven? Your dishwasher can do the job. Just use the heat/dry cycle with no water, and your food will stay toasty until you're ready to eat.

7. WARM YOUR DISHES.

A stack of plain white dishes with a plaid background
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The same trick goes for your dishes. If you want to keep plates warm before serving, place them in the dishwasher with the heat/dry cycle switched on. Some dishwashers even have a specific plate warming setting.

8. CREATE UNDER-BED STORAGE.

Dust collects under a bed.
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When your dishwasher finally goes to that big appliance warehouse in the sky, don't just junk it. The Family Handyman wants you to know that the wheeled bottom rack can roll beneath a bed to create easily accessible storage.

9. MAKE A RIBBON OR THREAD ORGANIZER.

Stacks of colorful spools of ribbon
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Here's another great use for parts once the dishwasher machinery itself bites the dust: Flip the top rack on its side, then mount it in your craft room. According to the household advice columnist Heloise, the tines that hold drinking glasses in place are also perfect for holding anything on a spool. If you don't have any craft supplies to organize, the rack can be used to hang tools in a garage or garden shed, too.

10. DISINFECT STUFF.

A large pile of colorful plastic toys
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From kids' bacteria-covered blocks and plastic figurines to your pets' slobber-covered chew toys, the dishwasher is great for de-germing playthings. Place larger toys on the bottom rack, medium-sized toys on the top rack, and small toys in the silverware basket. To avoid any heartbreaking accidents, make sure to use a light wash cycle and avoid the heated dry option, which could melt plastic toys.

11. KEEP COOKING SPRAY CONTAINED.

A dishwasher with its door open
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The next time you need to coat a baking dish with aerosol cooking spray, use your dishwasher door as a shield. Open your dishwasher door completely and hold the dish above it as you spray, and the inevitable over-spray will end up on the door instead of all over your kitchen. The inside of the door will get a thorough wash the next time you do dishes, so there's no need to wipe up the mess. (But make sure that the dishes inside are dirty, or you'll end up getting oil all over your clean plates.) The same trick also works for measuring out messy powdered ingredients like flour.

12. COOK LASAGNA.

Lasagna with meat sauce sitting on a white plate on top of a green checkered tablecloth
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As Mythbusters and Alton Brown proved, it is totally possible to make an entire lasagna in your dishwasher. You'll want to ditch your baking dish for something a little more watertight, though—PartSelect recommends arranging the lasagna directly on a piece of foil, then folding it up tightly. Of course, you can cook a lasagna a lot faster in your oven, and cooking the noodles in your dishwasher isn't going to produce a crispy top. But your family members will definitely raise their eyebrows when you put "dishwasher lasagna" on the menu for the week.

13. PREPARE NO-FUSS LOBSTER TAILS.

Lobster tail and dipping sauce on a plate
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The Sporkful's recipe for dishwasher lobster is super easy. All you need to do is cut a de-veined, de-shelled lobster tail in half, then put it in a sealable Mason jar with a stick (yes, a whole stick) of unsalted butter. Send it through a wash cycle, then enjoy flavorful, melt-in-your-mouth lobster.

14. MAKE A RAISED GARDEN BED.

Beet greens poking up through soil
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Instead of throwing out your dishwasher when it nears the end of its lifespan, take the whole thing outside, fill it with dirt, and grow some veggies in the tub. (These instructions are for an old refrigerator, but they'll work for other empty appliances as well.)

15. WASH SHOES AND HATS.

A pair of really dirty white flip-flops sitting on top of very green grass
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From sweat-stained baseball caps to mud-caked shoes and sandy flip-flops, you can throw plenty of apparel in the dishwasher. Just don't wash your dirty shoes with your dishes.

16. RIPEN AVOCADOS.

A pile of avocados in various stages of ripeness
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A restaurant worker on Metafilter spilled the beans on his employer's trick for force-ripening avocados: Throw them on the top rack of the dishwasher for a cycle.

17. ORGANIZE WRITING UTENSILS.

Closeup of forks and spoons in a white dishwasher basket
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When you toss your old dishwasher, keep the removable silverware basket. It's great for sorting pencils, markers, crayons, and other arts and crafts supplies.

18. GET YOUR HUBCAPS SHINY.

A hubcap of an old-fashioned red car with whitewall tires that show palm trees reflected in the hubcaps
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Instead of crouching down and trying to scrape all of the gunk and grime from your hubcaps by hand, remove them from the car and put them on the bottom rack of your dishwasher instead—preferably without your dishes.

19. CLEAN YOUR FAUX FLOWERS.

A basket full of pastel-colored fake roses and daises
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Plastic flower arrangement getting a little dusty? Sure, you could dust each individual petal—or you could just throw the whole thing on the top rack of your dishwasher and call it good.

20. MAKE A SPRAY-PAINTING BOOTH.

A gloved hand holding a spray paint can with a finger on the trigger.
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When you remove an old or broken dishwasher, you can use the box-like tub for spray-painting projects in your garage or shed. Spray whatever you're painting inside the tub, and it will contain keep the fine mist contained, preventing it from coating areas you didn't intend to paint.

21. BUILD A HAND-CRANK GENERATOR.

A close-up of a shining light bulb
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If your dishwasher dies but the motor is still serviceable, it may just help you survive the zombie apocalypse—or, more likely, help you charge your electronics while you're camping. If you're handy, making the motor into a pretty powerful little generator like this is a snap.

22. DRY YOUR HAND-WASHED DISHES.

Female hands washing a clear glass under a stream of water in a sink
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If you're hand-washing dishes, there's no need for the stack of clean plates to clutter up your kitchen afterward. Leave them in the empty dishwasher to air dry. You can run the dry cycle, or simply crack the door and let them air out naturally. (Bonus tip: If you need your dishwasher to dry a full load of dishes more quickly than usual, there's a hack for that—they'll dry faster if you open the dishwasher door during the regular dry cycle.)

23. CLEAN YOUR HOUSE KEYS.

A woman dangles her keys in front of the camera.
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You probably haven't ever washed your keys (or thought about washing them), but let’s face it: They're disgusting germ factories. Keys touch a lot of different surfaces, bang around in your purse or pockets, get dropped on the ground, shoved into locks, and so much more. Who knows what nasty stuff they've come into contact with? To get them clean, just remove any novelty keychains, loyalty cards, or other items that shouldn't get wet, then toss the keys in the dishwasher, keyring and all. Be sure to thoroughly dry each one afterward to prevent rusting.

However, while there are many things you can do with your dishwasher, there are also a couple of things that you really, really shouldn't try:

24. DON'T USE IT FOR WATER-TIGHT FLOOD STORAGE.

Important documents such as a life insurance policy, 401k statements, last will and testament, all fanned out on a wooden desk with a cup of coffee sitting next to them
iStock

You may have seen this so-called "helpful hack" online during recent hurricanes, but just because a dishwasher can keep water in, doesn't mean it will keep water out. In cases of severe weather, the dishwasher could come open, soaking whatever you sealed inside.

25. DON'T USE IT TO SEAL JARS.

Offset rows of sealed glass canning jars filled with peach preserves
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Rather than using the usual water-bath method, some home-canners suggest tossing filled jars in the dishwasher to seal the lids and kill the harmful bacteria. But it's not actually a safe canning technique, since the temperature in the dishwasher doesn't get high enough to properly kill the microorganisms. Stick to boiling instead.

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16 Geeky Coasters to Keep Your Coffee Table Safe
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Avoid unsightly ring stains on your coffee table with this delightful selection of coasters:

Mental Floss has affiliate relationships with certain retailers and may receive a small percentage of any sale. But we only get commission on items you buy and don’t return, so we’re only happy if you’re happy. Thanks for helping us pay the bills!

1. FLOPPY DISKS; $22.79

Floppy disks are not obsolete—at least in your living room area.

Buy on Amazon.

2. MARIO; $20

Mario Question Mark Block Coaster Set
Etsy

Unfortunately, no coins will be coming out of these coasters, but they will keep your table dry.

Buy on Etsy.

3. GAME OF THRONES; $12.99

Game of Thrones coasters
HBO Shop

Avoid a royal mess with house sigils of houses Targaryen, Stark, Baratheon, and Lannister.

Buy at the HBO Shop.

4. PACMAN; $20.95

Use these on a black table to recreate the retro video game.

Buy on Epic Giftables.

5. AGATE; $35

Rock on: These fancy agate coasters will look solid resting under your glass.

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6. ELEMENTS; $56.99

These glowing coasters are perfect for chemists, Breaking Bad fans, and anyone who forgot to pay their electric bill.

Buy on Amazon.

7. BUILDING BLOCKS; $19.99

Build your own coaster with this LEGO-esque design.

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8. STAR TREK; $16.63

Star Trek ship coasters
Amazon

This ceramic set celebrates all the best ships from Star Trek.

Buy on Amazon.

9. DR. WHO; $22.99

Just make sure you don’t accidentally send your glass into a different time period when you set it down.

Buy on Amazon.

10. RILAKKUMA; $1.95

Rilakkuma coaster
Bonanza

Cover your counter space with the cute face of Rilakkuma.

Buy on Bonanza.

11. HARRY POTTER; $50

Set of wood burned coasters featuring the crest of each Harry Potter house
Etsy

All the houses are present in this set of wood coasters.

Buy on Etsy.

12. FALLOUT; $25

fallout coasters
Etsy

Just because it’s the end of the world doesn’t mean all manners go out the door: Never forget to use a coaster!

Buy on Etsy.

13. BRAIN; $19.99

This set comes with 10 coasters, each with a slice of brain specimen. When you’re not using them, you can stack them together to create a full brain.

Buy on Amazon.

14. THE LAST AIRBENDER; FROM $13

Aang and his entourage face off on these wooden coasters.

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15. BUFFY AND CO; $20

Getting totally wigged by the idea of a stained table? All your favorite characters from Buffy the Vampire Slayer can give you an assist.

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16. STUDIO GHIBLI; $25

Studio Ghibli Stone Tile Coasters
Etsy

These coasters feature scenes from the classics My Neighbor Totoro, Princess Mononoke, Spirited Away, and Howl's Moving Castle.

Buy on Etsy.

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15 Educational Facts About Old School
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Old School starred Luke Wilson as Mitch Martin, an attorney who—after catching his girlfriend cheating, and through some real estate and bitter dean-related circumstances—becomes the leader of a not-quite-official college fraternity. Along with his fellow thirtysomething friends Bernard (Vince Vaughn) and newlywed Frank (Will Ferrell), they end up having to fight for their right to maintain their status as a party-loving frat on campus.

The film, which was released 15 years ago today, marked Vaughn’s return to major comedies and Ferrell’s first major starring role after seven years on Saturday Night Live. Here are some facts about the movie for everyone, but particularly for my boy, Blue.

1. THE IDEA ORIGINATED WITH AN AD GUY.

Writer-director Todd Phillips was talking to a friend of his from the advertising industry named Court Crandall one day. Crandall had seen and enjoyed Phillips's movie Frat House (1998) and told his director buddy, “You know what would be funny is a movie about older guys who start a fraternity of their own.” After being told by Phillips to write it, he presented Phillips with a “loose version” of the finished product.

2. SOME OF THE FRAT SHENANIGANS WERE REAL.

While Crandall received the story credit for Old School, Phillips and Scot Armstrong received the credit for writing the script. Armstrong put his own college fraternity experiences into the script. “We were in Peoria, Illinois, so it was up to us to entertain ourselves," Armstrong shared in the movie's official production notes. "A lot of ideas for Old School came from things that really happened. When it was cold, everyone would go stir crazy and it inspired some moments of brilliance. Of course, my definition of ‘brilliance' might be different from other people's.”

3. IVAN REITMAN HELPED OUT.

Ivan Reitman, director of Stripes and Ghostbusters, was an executive producer on the film. Phillips and Armstrong wrote and rewrote every day for two months at Reitman’s house, an experience Phillips described as comedy writing “boot camp.”

4. THE STUDIO DIDN’T WANT VINCE VAUGHN.

Vince Vaughn in 'Old School' (2003)
DreamWorks

It didn’t seem to make a difference to DreamWorks that Phillips and Armstrong had written the role of Bernard with Vince Vaughn in mind—the studio didn't want him. After his breakout success in Swingers, Vaughn had taken roles in dramas like the 1998 remake of Psycho. “So when Todd Phillips wanted me for Old School, the studio didn’t want me,” Vaughn told Variety in 2015. “They didn’t think I could do comedy! They said, ‘He’s a dramatic actor from smaller films.’ Todd really had to push for me.”

5. RECYCLED SHOTS OF HARVARD UNIVERSITY WERE USED.

The film was mainly shot on the Westwood campus of UCLA. The aerial shots of the fictitious Harrison University, however, were of Harvard; they had been shot for Road Trip (2000).

6. VINCE VAUGHN FANS MIGHT RECOGNIZE THE CHURCH.

In the film, Frank gets married at Westminster Presbyterian Church in Pasadena, California. Vaughn and Owen Wilson were in that same church two years later for Wedding Crashers (2005).

7. WILL FERRELL SCARED MEMBERS OF A 24-HOUR GYM.

Frank’s streaking scene was shot on a city street. As Ferrell remembered it, one of the storefronts was a 24-hour gym with Stairmasters and treadmills in the window. “I was rehearsing in a robe, and all these people are in the gym, watching me. I asked one of the production assistants, ‘Shouldn’t we tell them I’m going to be naked?’ Sure enough, I dropped my robe and there were shrieks of pure horror. After the first take, nobody was at the window anymore. I took that as a sign of approval.”

8. FERRELL REALLY WAS NAKED.

Ferrell justified it by saying it showed his character falling off the wagon. “The fact that it made sense was the reason I was really into doing it, and why I was able to commit on that level," Ferrell told the BBC. "If it was just for the sake of doing a crazy shot, then I don't think it makes sense.” Still, Ferrell needed some liquid courage, and was intimidated by the presence of Snoop Dogg.

9. ROB CORDDRY WAS NOT NAKED, BUT HE STILL HAD TO SIGN AWAY HIS NUDITY RIGHTS.

Old School marked the first major film role for Rob Corddry, who at the time was best known as a correspondent for The Daily Show. He had a jewel bag around his private parts for his nude scene, but his butt made it into the final cut. He had to sign a nudity clause, which gave the film the right to use his naked image “in any part of the universe, in any form, even that which is not devised.”

10. SNOOP DOGG AGREED TO CAMEO SO HE COULD PLAY HUGGY BEAR IN STARSKY & HUTCH.

Phillips admitted to essentially bribing the hip-hop artist/actor, using Snoop Dogg’s desire to play the street informant in the modern movie adaptation of the classic TV show (which Phillips was also directing) to his advantage. “So when I went to him I said, 'I want you to do Huggy Bear,' he was really excited. And I said, 'Oh yeah, also will you do this little thing for me in Old School a little cameo?' So he kind of had to do it I think."

11. SNOOP WANTED TO HANG OUT WITH VINCE VAUGHN ON SET, BUT NOT LUKE WILSON.

Snoop Dogg in 'Old School' (2003)
Richard Foreman, Dreamworks

Vaughn and his friends accepted an invitation to hang out in Snoop Dogg’s trailer to play video games on the last day of shooting. Vaughn recalled seeing Luke Wilson later watching the news alone in his trailer; he had not been informed of the get-together.

12. WILSON WAS TEASED BY HIS CO-STARS.

Vaughn, Wilson, and Ferrell dubbed themselves “The Wolfpack”—years before Phillips directed The Hangover—because they would always make fun of each other. A particularly stinging exchange had Ferrell refer to Legally Blonde (which Wilson had starred in) as Legally Bland. Wilson said it didn’t make him feel great. Wilson retorted by telling Ferrell that "the transition from TV to the movies isn't a very easy one, so you might just want to keep one foot back in TV just in case this whole movie thing falls through!"

13. TERRY O’QUINN SCARED HIS SONS INTO THINKING THEY WERE TRIPPING.

Terry O’Quinn (who went on to play John Locke on Lost the following year) agreed to play Goldberg, uncredited, in what was a two-day job for him. He neglected to inform his sons he was in the movie, and when they saw it, one of them called their father. “I got a call from my sons one night, and they said, ‘What were you doing in Old School? We didn’t even know you were in it!’ They said, ‘We’re sitting there, and the first time we see you, it’s, like, in a reflection in a window. And when we saw it, and we both thought we were, like, tripping or something!’”

14. THE EARMUFFS WERE IMPROVISED.

Before filming, Vaughn worked with Ferrell to figure out their characters' backstories and how they knew each other; he credited that with helping him figure out who Bernard was, which led to several ad-libbed moments. “The earmuff scene where he swears in front of the kids, and then I tell the kid to earmuff, that all is off the cuff. But that stuff is a lot easier to do when you know who you are and your circumstances, and who your characters are,” Vaughn explained.

15. FERRELL AND VAUGHN DIDN’T LOVE A SCRIPT FOR A SEQUEL.

Armstrong had written Old School Dos in 2006, which saw the frat going to Spring Break. Ferrell said that he and Vaughn read the script but felt like they would just be “kind of doing the same thing again.” Wilson, on the other hand, was excited over the new script.

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