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Thecoffeenerd
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Posted Thu Jul 11, 2013, 9:53am
Subject: Little white spots in my coffee?
 

After I pour coffee from my thermal Thermos carafe I see little white spots on the top of the coffee. It's like hard to explain but, does anyone know what this Is? What causes this?

 
"You can't make good coffee, without good coffee" -Thecoffeenerd
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DanoM
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Posted Thu Jul 11, 2013, 10:33am
Subject: Re: Little white spots in my coffee?
 

Thecoffeenerd Said:

After I pour coffee from my thermal Thermos carafe I see little white spots on the top of the coffee. It's like hard to explain but, does anyone know what this Is? What causes this?

Posted July 11, 2013 link

If there was none of this in the coffee when it went into the thermos then it's coming from the thermos itself.  Coffee doesn't magically sprout white spots, so I'd take a good look at the thermos before drinking that.
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msboo
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Posted Thu Jul 11, 2013, 11:08am
Subject: Re: Little white spots in my coffee?
 

Is your thermal carafe stainless or glass lined?
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Thecoffeenerd
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Posted Thu Jul 11, 2013, 11:12am
Subject: Re: Little white spots in my coffee?
 

The carafe Is a double walled glassware thermos.

 
"You can't make good coffee, without good coffee" -Thecoffeenerd
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JKalpin
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Posted Fri Jul 12, 2013, 2:44pm
Subject: Re: Little white spots in my coffee?
 

Do you drink it black?

I use cream (18%) and even if it has not soured, there can be a skin on top which turns into white bits floating on top of the cup.  So, before I add cream I always give the container a little shake.

 
Jerry
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Thecoffeenerd
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Posted Sat Jul 13, 2013, 7:45am
Subject: Re: Little white spots in my coffee?
 

Yes, I drink my coffee black. I pour the coffee from the thermos into the mug and let It cool. And I see these spots on the top...

 
"You can't make good coffee, without good coffee" -Thecoffeenerd
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BonsaiDoug
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Posted Sat Jul 13, 2013, 7:59am
Subject: Re: Little white spots in my coffee?
 

Do you roast or grind yourself?  Could they be bits of chaff?
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coffeeguydenton
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Posted Sat Jul 13, 2013, 8:14am
Subject: Re: Little white spots in my coffee?
 

Thecoffeenerd Said:

After I pour coffee from my thermal Thermos carafe I see little white spots on the top of the coffee. It's like hard to explain but, does anyone know what this Is? What causes this?

Posted July 11, 2013 link

I suspect the problem is your thermos.  If it is glass then it's probably dirty.  If the inside is clean then try taking apart the lid.


BonsaiDoug Said:

Do you roast or grind yourself?  Could they be bits of chaff?

Posted July 13, 2013 link

If he's using a filter, chaff shouldn't get into the coffee.



JKalpin Said:

Do you drink it black?

I use cream (18%) and even if it has not soured, there can be a skin on top which turns into white bits floating on top of the cup.  So, before I add cream I always give the container a little shake.

Posted July 12, 2013 link

That is actually an early sign that your cream is going bad.  It should not happen with truly fresh cream.
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Thecoffeenerd
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Posted Sat Jul 13, 2013, 3:38pm
Subject: Re: Little white spots in my coffee?
 

How can I clean the glass thermos? And yes I grind my own beans but I don't roast them myself. Luckily though they are freshly roasted!

 
"You can't make good coffee, without good coffee" -Thecoffeenerd
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cerridwyn
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cerridwyn
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Posted Sat Jul 13, 2013, 9:49pm
Subject: Re: Little white spots in my coffee?
 

How old is the thermos? If it is old, can you buy a new one? Can you replace the lid and see if that is the cause?

You used to be able to buy a soft cloth 'brush' to clean a glass thermos. Haven't seen them in years because people sorta quit using them like they used to.

 
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