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Old 07-24-2008, 09:58 PM   #11
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we use this technique in the lab to degas buffers and solutions and such. Nice job doing it at home.



 
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Old 07-24-2008, 10:06 PM   #12
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Old 07-24-2008, 10:18 PM   #13
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Yuri I had thought about using my vacuum pump(for ac) and freezer as a means of drying hops,basically freeze drying and think it would work, but never thought about degassing with vacuum. great idea! sure wish I had the hops to try freeze drying. But it might pull the volatile oils off first. what are your thoughts?
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Old 07-24-2008, 11:00 PM   #14
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If you just making a gallon of wine what about putting it on a stir plate for a few minutes?

 
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Old 07-25-2008, 01:50 AM   #15
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Amazing, but why?

I'm stumped, or just plain old gassy, but what's the benefit of degassing?
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Old 07-25-2008, 01:53 PM   #16
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degassing removes CO2 and lets the yeasties breathe. It might also have something to do with changing the osmotic pressure. read that last bit somewhere just cant recall where.
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Old 07-25-2008, 04:47 PM   #17
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Amazing, but why?

I'm stumped, or just plain old gassy, but what's the benefit of degassing?
sometimes you will end up with a very light carbonation inside of a brew that is not going to be carbonated i.e. wine, and this is a way of making it flat, like commercial wine.

i'm guessing about any air pump can do this without too much difficulty.
I think a standard vacuum might be dangerous because of possible implosion?
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Old 07-28-2008, 12:37 AM   #18
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That is pretty cool. This may be a dumb question, but is it really possible for a foodsaver to cause a carboy to implode? Is it fair to assume that doing this on a Better Bottle is completely out of the question.

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Old 07-28-2008, 01:01 AM   #19
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I'm not certain that it's possible for a FoodSaver to create enough negative pressure to cause damage to a carboy, but I'm not going to be the first to find out, either. I wouldn't use this technique on a Better Bottle - one of those will almost definitely cave in on itself.
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Old 09-02-2008, 02:40 PM   #20
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So was it determined that you could do a full size carboy, or still no?


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