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Old 11-28-2012, 05:37 PM   #11
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I was talking about from the producers, but I suppose you're right. If the distributor uses the same manifolds for all of their products, there very well could be contamination depending on their vacuum/purging practices. The company I deal with has a completely separate manifold for their CO2.
Well that would make sense too.

But since you've already confirmed they are using a separate manifold, it will be hard to confirm the source of the off flavors without a good description of the flavor.
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Old 11-28-2012, 06:04 PM   #12
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I have been around welding industry and gas companies for about ten years now and there have been several instances that a CO2, Argon, Helium, or Nitrogen tank has been filled with the wrong gas.

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Old 11-28-2012, 06:16 PM   #13
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I have been around welding industry and gas companies for about ten years now and there have been several instances that a CO2, Argon, Helium, or Nitrogen tank has been filled with the wrong gas.
Now helium would make for one interesting party..

Drink beer, sound like a chorus of midgets...

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Old 11-28-2012, 07:04 PM   #14
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This has happend to me before, beer tastes fine out of the carboy but once pressurized takes on a metallic kind of astringent taste.

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Old 11-28-2012, 07:05 PM   #15
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I have been around welding industry and gas companies for about ten years now and there have been several instances that a CO2, Argon, Helium, or Nitrogen tank has been filled with the wrong gas.
I've got about six years in the business, and I've seen argon that was contaminated with oxygen, and trace elements of argon in helium... like, ppm's picked up by a lab that was analyzing it with a mass spectrometer. I guess it depends on the distributor.

This is not relevant, I just wanted to use this smiley:
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Old 11-28-2012, 09:22 PM   #16
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This has happend to me before, beer tastes fine out of the carboy but once pressurized takes on a metallic kind of astringent taste.
That sounds more like the carbonic acid bite you can get when the beer is over carbonated. Easy to do when force carbonating a keg, especially if you use the "crank and shake" method instead of the "set it and forget it" method.
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Old 11-30-2012, 01:02 AM   #17
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It leaves a weird metal after taste. Like if you had a coin in your mouth.

Set it and forget it?? Could you give me psi and days on that
Thanks for all the input

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Old 11-30-2012, 01:09 AM   #18
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The crazy thing is, on the first day of drinking it, it tasted fine after being on my brothers new bottle and co2. Put it in my kegerator for the weekend, pressured it up with this really old bottle and co2, then it tastes infected. That's why I think it has something to do with the bottle.

Or is possible it was always infected, the off tastes just happen to not come out until that second go round of drawing off it

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Old 11-30-2012, 01:40 AM   #19
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Just a question--

When you drank the beer the second time did you pour more than one glass from the keg?

The reason for my question is -- Maybe your keg cooled and sat for the weekend and the yeast settled at the bottom of the keg. Then when you poured your beer you picked up most of the yeast sitting at the bottom of the keg. When you tasted your beer you actually tasted the result of yeast sediment. Perhaps this is the off taste you tasted. If you poured more than two or three glasses and it still tasted bad, then you can't blame yeast sediment.

Anyway, I hope it all works out for ya!

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Old 11-30-2012, 08:23 AM   #20
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I'm going to guess that your beer is over carbonated. What is the pressure on your regulator? Over carbonated beer will taste sour or bitter, with a strong "bite" from carbonic acid.

CO2 is CO2 is CO2. It doesn't get "old" or go "bad." It's a chemical compound that doesn't really react with anything to get "bad."

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