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  #1  
Old 09-29-2005, 09:53 AM
swartos
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Default Layer of film on morning coffee

Hi,

Anybody else get this on there coffee? Kind of a gross looking film floating on the top of the coffee? Wish I could figure out whats causing it. I'm on Rural water....so not coming out of the ground.

Any ideas?
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  #2  
Old 09-29-2005, 10:08 AM
NOTHING
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Default RE: Layer of film on morning coffee

GREASE! OR AN OIL THATS WHAT I HAVE BEEN TOLD.
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  #3  
Old 09-29-2005, 10:44 AM
Java Joe
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Default RE: Layer of film on morning coffee

That is oil from the coffee beans. Nothing to worry about. Most of it is filtered out if you use paper filters. If you use a gold filter, you get more 'oil'.
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  #4  
Old 09-29-2005, 11:14 AM
Brazilian Bean
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Default RE: Layer of film on morning coffee

I have the same thing.....and It's NOT from the beans. I buy folgers sealaroma coffee,...and every morning have a near metalic or shiny layer on the top of my mug.

If it was from the coffee beans.....you'd see a layer in every mug. I can go down to the coffee shop down town, or any restaurant and have a perfectly fine cup of joe.

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  #5  
Old 09-29-2005, 11:24 AM
MK MK is offline
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Join Date: Jul 2003
Location: Indpls, Indiana, US.
Posts: 322
Default RE: Layer of film on morning coffee

My office coffee has this film if I use the tap water. The city water is very hard. Not an oily film but a scummy film that will come off if you put a napkin on it. Nasty.

No film if I use the water from the water cooler for the coffee. It can sit for hours with no film.

Same thing at home; softened water-no film, straight from the well- film if it sits in the pot for more than about 30 minutes.
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  #6  
Old 09-29-2005, 12:02 PM
JLDII JLDII is offline
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Join Date: Mar 2003
Posts: 4,128
Default RE: Layer of film on morning coffee

It is oil from the beans.

The reason some people see it and others don't is the water temperature. The hotter the water, the more oil you see. This is true even after the coffee has been brewed. You might not have any in a fresh brewed pot, but after that pot sits on the warmer long enough, the temperature goes up, and the oil appears.
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  #7  
Old 09-29-2005, 12:35 PM
vizslaguy vizslaguy is offline
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Join Date: Apr 2005
Location: Hoskins, NE, USA.
Posts: 56
Default RE: Layer of film on morning coffee

I was once told a couple of pennies between the pot and the burner will reduce the amount of film. Worth a shot?
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  #8  
Old 09-30-2005, 01:11 AM
Jack G Jack G is offline
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Join Date: Nov 1999
Location: Peoria, Illinois, USA.
Posts: 887
Default RE: Layer of film on morning coffee


I saw the same film on coffee at my favorite neighborhood restaurant every morning for many years. After the first slurp it disappeared. Wonder where it went? The coffee tasted fine.

Other restaurants in the same area, in the same water district, and my home in the same area, did not have this film on their coffee.

Jack
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  #9  
Old 09-30-2005, 06:19 AM
MapnSD MapnSD is offline
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Join Date: Aug 2002
Location: PO Box 1294 Huron, SD 57350
Posts: 107
Default RE: Layer of film on morning coffee

Swartos
Try putting a tablespoon of lemon juice in your water before heating the water. Then try using the brown filters.
I beleive the film is calcium carbonate that is released when the water is heated. The lemon juice will solve your problem.
Make a pot and let us know.

I found this film in Iowa and the acid in the lemon juice solved the problem.

Mapnsd
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  #10  
Old 09-30-2005, 06:55 AM
bobwhy bobwhy is offline
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Join Date: Dec 2003
Location: Parma, OH, USA.
Posts: 104
Default RE: Layer of film on morning coffee

But what does the lemon juice do to the taste of the coffee?
Bob Y. WBSA Member
Of all the liars among mankind, the fisherman is the most trustworthy.
- William Sherwood Fox
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