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Help cleaning out a glass thermos carafe
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Thecoffeenerd
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Posted Fri Aug 2, 2013, 7:44pm
Subject: Help cleaning out a glass thermos carafe
 

I own a Thermos brand double-walled glass carafe that I use for my coffee. Lately It has been smelling of bad coffee and the lid Is leaving sediment and stuff on top of my coffee giving It a bad taste. I tried cleaning It out today with some vinegar which obviously left a bad small and I rinsed out the thing numerous times especially with soap and water both running through the lid to clean that out as well. My point Is can someone give me a good way to clean the carafe out properly without abrasive cleaners or chemicals? I want to get the rancid coffee smell out of the carafe and lid...

 
"You can't make good coffee, without good coffee" -Thecoffeenerd
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EndTwo
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Posted Sat Aug 3, 2013, 6:16am
Subject: Re: Help cleaning out a glass thermos carafe
 

Baking soda can do miracles...
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CoffeeRoastersClub
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Posted Sat Aug 3, 2013, 6:47am
Subject: Re: Help cleaning out a glass thermos carafe
 

Thecoffeenerd Said:

I own a Thermos brand double-walled glass carafe that I use for my coffee. Lately It has been smelling of bad coffee and the lid Is leaving sediment and stuff on top of my coffee giving It a bad taste. I tried cleaning It out today with some vinegar which obviously left a bad small and I rinsed out the thing numerous times especially with soap and water both running through the lid to clean that out as well. My point Is can someone give me a good way to clean the carafe out properly without abrasive cleaners or chemicals? I want to get the rancid coffee smell out of the carafe and lid...

Posted August 2, 2013 link

When I worked in a restaurant a few years ago (30 years to be exact) we used to use their ice from the ice machine and a good amount of salt, then swirl the coffee carafes to rid them of stains, etc.  It may work ok with what you are using, just don't shake.  Swirl gently soas not to break the thermos.

Len

 
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BonsaiDoug
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Posted Sat Aug 3, 2013, 6:56am
Subject: Re: Help cleaning out a glass thermos carafe
 

EndTwo Said:

Baking soda can do miracles...

Posted August 3, 2013 link

Also, distilled white vinegar.  Just be sure to rinse well to eliminate the vinegar smell.
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coffeeguydenton
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Posted Sat Aug 3, 2013, 8:43am
Subject: Re: Help cleaning out a glass thermos carafe
 

Thecoffeenerd Said:

I own a Thermos brand double-walled glass carafe that I use for my coffee. Lately It has been smelling of bad coffee and the lid Is leaving sediment and stuff on top of my coffee giving It a bad taste. I tried cleaning It out today with some vinegar which obviously left a bad small and I rinsed out the thing numerous times especially with soap and water both running through the lid to clean that out as well. My point Is can someone give me a good way to clean the carafe out properly without abrasive cleaners or chemicals? I want to get the rancid coffee smell out of the carafe and lid...

Posted August 2, 2013 link

Urnex coffee urn and brewer cleaner.  Just add it to the thermos, fill with hot water and let it sit for a while (20 minutes or so).  Then make sure you rinse it out well.  It works pretty well with stainless steel.  Glass is non-reactive, so it should work at least as well with glass.  For the lid, you could try getting a baby cleaning brush.  Some of them come with a smaller brush for cleaning the smaller parts of the same of the fancier baby bottles.
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Thecoffeenerd
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Posted Sat Aug 3, 2013, 9:54am
Subject: Re: Help cleaning out a glass thermos carafe
 

How can I use the baking soda method? Thanks for the tips.

 
"You can't make good coffee, without good coffee" -Thecoffeenerd
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EndTwo
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Posted Sat Aug 3, 2013, 1:24pm
Subject: Re: Help cleaning out a glass thermos carafe
 

Put baking soda in, fill with hot water, leave it for a couple of hours and then clean normally.
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msboo
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Posted Sat Aug 3, 2013, 5:52pm
Subject: Re: Help cleaning out a glass thermos carafe
 

I have two 20 plus yr old glass-lined Thermos brand carafes I still use---the top has the part in the middle you push down to open/pour, push again to close. I've always rinsed w/hot water after every use then opened the top & let hot water run thru. THEN for more thorough cleaning I've used a plastic OXO bottle brush (no metal) & a little dish soap then rinse thoroughly. I also have an Oggi brand glass-lined carafe I clean the same way without any problem--it's taller like my Thermos carafes.

CAUTION: I do NOT use this OXO brush in my Bonavita carafe!
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Coffeefrank
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Posted Mon Aug 5, 2013, 5:01am
Subject: Re: Help cleaning out a glass thermos carafe
 

+1 for the vinegar. I tried that out recently and it worked really well. Haven't used the baking soda idea but seems to have good reports from a great many people.
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Whitcoatsyndrom
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Posted Tue Aug 6, 2013, 9:30am
Subject: Re: Help cleaning out a glass thermos carafe
 

Who still uses vinegar?  Just kidding of course, but there are some much more efficient cleaners on the market today.  Vinegar (active ingredient acetic acid), tartaric acid, and any other acid "cleaners" are used mainly for decalcification/descaling...this is mixed up with cleaning quite often.  It sounds like you don't have a problem with scale but more an oily residue--which acid won't help you much with.  Oily residues are usually acidic in themselves due to the fatty-acid tail variations found on many "oily" molecules.  Acids don't usually dissolve acids so well, which is why most detergents are bases.

Oxyclean powder works wonders if you put a scoop or 2 in your carafe, fill it up with warm water, and let it sit for half an hour.  Rinse it well and do not run it through your machine.  I love this option because I find all sorts of uses for that stuff around the house.  Other coffee-specific cleaners are out there that you can run through your machine, as its probably not only the carafe causing your off flavors.  Do a search for Urnex products, specifically Clencafe and you'll turn up mounds of info.  Homebrew cleaners (not santizers, but cleaners) are also a good option as they are usually foodgrade but they are expensive and work no better than oxyclean IMO.
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