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Age Quod Agis
Picture of ArtieS
posted
I have a go-cup for my coffee, it's an insulated Teva.I only use it for coffee, and run it through the dishwasher after each use.

It has developed a coffee-colored haze, with coffee smell on the inside. It doesn't come out with repeated washing, and isn't really removed by mild acids such as white vinegar. Soaking with dish soap is wholly ineffective.

Does anyone have a good tip for cleaning up this haze?

Thanks.

A



"I vowed to myself to fight against evil more completely and more wholeheartedly than I ever did before. . . . That’s the only way to pay back part of that vast debt, to live up to and try to fulfill that tremendous obligation."

Alfred Hornik, Sunday, December 2, 1945 to his family, on his continuing duty to others for surviving WW II.
 
Posts: 13033 | Location: Central Florida | Registered: November 02, 2008Reply With QuoteReport This Post
crazy heart
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Might try baking soda.
 
Posts: 1804 | Location: WA | Registered: January 07, 2009Reply With QuoteReport This Post
Member
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I have used Oxy Clean that comes in a spray bottle. I find that coffee stains most any vessel. I discovered this by accident when I thought I was using a different cleaner. Similar occurrence as the person here that used CLP instead of PAM, lol.
 
Posts: 549 | Location: Ocala, FL | Registered: October 09, 2011Reply With QuoteReport This Post
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Was it hot vinegar?
I'm not sure it will work w/ plastic but I made a simmered vinegar and mustard BBQ sauce for a family gathering and thought I'd transport it in my stainless coffee thermos that was clean but a bit dim on the inside.
Afterwords it was totally shiny inside.
 
Posts: 7533 | Location: MI | Registered: May 22, 2007Reply With QuoteReport This Post
A man's got to know
his limitations
Picture of hberttmank
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My insulated plastic coffee mug got like that, but I always just washed it out with soap and water. The coffee stain and smell never bothered me, the only thing I used it for was coffee.



"But, as luck would have it, he stood up. He caught that chunk of lead." Gunnery Sergeant Carlos Hathcock
"If there's one thing this last week has taught me, it's better to have a gun and not need it than to need a gun and not have it." Clarence Worley
 
Posts: 9468 | Registered: March 23, 2003Reply With QuoteReport This Post
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quote:
Might try baking soda.

^^^^^^^^^^^
Yep
 
Posts: 17695 | Location: Stuck at home | Registered: January 02, 2015Reply With QuoteReport This Post
Back, and
to the left
Picture of 83v45magna
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Stuff like that I use cheap (like 'great value' cheap) dishwasher powder and hot water and leave to soak overnight.
 
Posts: 7483 | Location: Dallas | Registered: August 04, 2011Reply With QuoteReport This Post
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The relatively open poruous microstructure of polymers does that. Food chemicals leach into the open spaces and there it is. We have a plastic pitcher we make orange juice in, it may sit 5 days as we drink it up, it gets washed and when I pull it out of the cabinet a week later - it smells like OJ. Has for over 20 years.

I stopped using plastic cups for coffee and went back to porcelain or stainless only. The years of Aladdin mugs etc from the 80s on finally sank in. Wink
 
Posts: 613 | Registered: December 14, 2021Reply With QuoteReport This Post
Texas Proud
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Try a Mr Clean Magic Eraser.


NRA Life Patron
 
Posts: 1926 | Location: DFW | Registered: March 28, 2004Reply With QuoteReport This Post
Equal Opportunity Mocker
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We've used efferdent tablets before on other coffee stains in cups. Fill with water and drop 'em in, let them sit for an hour or so. Maybe it'd work on this one?


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Posts: 6393 | Location: Mogadishu on the Mississippi | Registered: February 26, 2009Reply With QuoteReport This Post
Funny Man
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Ditch it and buy a double wall stainless mug. I am 5 years into a 20oz double wall stainless cup that I use daily for coffee. No issues. Keeps the coffee hot a lot longer than the cup similar to yours that I used before.


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Posts: 7093 | Location: Austin, TX | Registered: June 29, 2010Reply With QuoteReport This Post
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Just look at it like Al Bundy's BBQ, "ashes from the past for burgers of the future". Smile

My metal travel coffee cup always smells like coffee. (I hate the smell of old coffee) What I started doing when I get home is rinse it quick, then fill it up and leave it full till morning. Don't know if it's helping the cup, but it helps a little with the old coffee smell. Might no help you, but if it's always full you won't notice the haze. Wink
 
Posts: 21497 | Location: 18th & Fairfax  | Registered: May 17, 2003Reply With QuoteReport This Post
Ignored facts
still exist
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quote:
Originally posted by Tirod:

I stopped using plastic cups for coffee and went back to porcelain or stainless only.


This. There are so many great choices in Stainless now, and some plastic leaches bad chemicals over time, depending.

Modern Stainless done right can keep coffee warm for half a day. Contigo is the brand I use.


.
 
Posts: 11212 | Location: 45 miles from the Pacific Ocean | Registered: February 28, 2003Reply With QuoteReport This Post
His Royal Hiney
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I use the coffee pot cleaner that is in every office coffee break room.



"It did not really matter what we expected from life, but rather what life expected from us. We needed to stop asking about the meaning of life, and instead to think of ourselves as those who were being questioned by life – daily and hourly. Our answer must consist not in talk and meditation, but in right action and in right conduct. Life ultimately means taking the responsibility to find the right answer to its problems and to fulfill the tasks which it constantly sets for each individual." Viktor Frankl, Man's Search for Meaning, 1946.
 
Posts: 20248 | Location: The Free State of Arizona - Ditat Deus | Registered: March 24, 2011Reply With QuoteReport This Post
eh-TEE-oh-clez
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If you don't need a cup that seals shut (i.e., a travel mug), then I recommend the Hydro flask mug or tumbler with sip through lid.

It's a little pricey, but of superb quality and design. The lids are insulated, where many are not.
 
Posts: 13067 | Location: Orange County, California | Registered: May 19, 2002Reply With QuoteReport This Post
Ammoholic
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quote:
Originally posted by Aeteocles:
If you don't need a cup that seals shut (i.e., a travel mug), then I recommend the Hydro flask mug or tumbler with sip through lid.

It's a little pricey, but of superb quality and design. The lids are insulated, where many are not.

And if you need one that seals, that same Hydro flask has a flip top lid that snaps down and seals nicely. Just flip up to sip.
 
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Not really from Vienna
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Hot water, dish detergent and baking soda on a sponge. Or a wet Magic Eraser, as was suggested earlier. It’s hard to remove an oily film by just spraying hot water on it, like a dishwasher does.
 
Posts: 27275 | Location: SW of Hovey, Texas | Registered: January 30, 2007Reply With QuoteReport This Post
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quote:
Originally posted by Rey HRH:
I use the coffee pot cleaner that is in every office coffee break room.


LOL ROTFLMAO

I haven't seen a cleaner near an office pot in 40 years. Goes double for military or auto parts. If the pot can't brew coffee with water only it's considered ruined, like an iron skillet put into a dishwasher.

It got so bad at one auto parts store we were using hand towels from the bathroom as filters. Sketchy flavor, drank it down anyway. We drew the line at pouring in the swill from last week, that green stuff on top clogs the maker.

Which brings up, who cleans their coffee cup anyway? Fav conversation here for the holidays, the guys are all Don't Touch My Coffe Cup! the wives are Eeeewwww You Guys Are Nasty!

And yes, I wash my coffee cup out every other week or so. It's just fine. Same for the hydration (Contigo, too) which gets the electrolytes portioned into it daily. If I can make a batch with fresh water only, it might be time to swizzle out the debris.
 
Posts: 613 | Registered: December 14, 2021Reply With QuoteReport This Post
His Royal Hiney
Picture of Rey HRH
posted Hide Post
quote:
Originally posted by Tirod:
quote:
Originally posted by Rey HRH:
I use the coffee pot cleaner that is in every office coffee break room.


LOL ROTFLMAO

I haven't seen a cleaner near an office pot in 40 years. Goes double for military or auto parts. If the pot can't brew coffee with water only it's considered ruined, like an iron skillet put into a dishwasher.

It got so bad at one auto parts store we were using hand towels from the bathroom as filters. Sketchy flavor, drank it down anyway. We drew the line at pouring in the swill from last week, that green stuff on top clogs the maker.

Which brings up, who cleans their coffee cup anyway? Fav conversation here for the holidays, the guys are all Don't Touch My Coffe Cup! the wives are Eeeewwww You Guys Are Nasty!

And yes, I wash my coffee cup out every other week or so. It's just fine. Same for the hydration (Contigo, too) which gets the electrolytes portioned into it daily. If I can make a batch with fresh water only, it might be time to swizzle out the debris.


you haven't seen a cleaner near an office pot in 40 years? Maybe you haven't been to the right office because I've certainly seen them in the offices where I've worked?

No need to try to impress me about coffee cup cleaning. When I was in the navy, people would actually let a new cup sit with coffee for days on end until there's a good thick coffee residue on the inside of the cup.

So you can put your ROTFLMAO back into the same orifice from which you pulled it out.



"It did not really matter what we expected from life, but rather what life expected from us. We needed to stop asking about the meaning of life, and instead to think of ourselves as those who were being questioned by life – daily and hourly. Our answer must consist not in talk and meditation, but in right action and in right conduct. Life ultimately means taking the responsibility to find the right answer to its problems and to fulfill the tasks which it constantly sets for each individual." Viktor Frankl, Man's Search for Meaning, 1946.
 
Posts: 20248 | Location: The Free State of Arizona - Ditat Deus | Registered: March 24, 2011Reply With QuoteReport This Post
Only the strong survive
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