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Old 07-30-2012, 10:13 PM   #1
uberg33k
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Default Questions about closed-pressure fermentation

Ok, so I've been reading about closed-pressure systems and I might give it a try, but wanted to make sure I had a few things straight first since most things I've seen on it are epic in length or fairly convoluted. Does this sounds right?
Pros

  • Not as much blowoff
  • Natural carbonation and possible "creamier, smaller" bubbles
  • Quicker maturing of beer
  • Possible to do lagers at higher temps

Cons
  • Could kill your yeast if you're not careful (don't exceed 15psi)
  • Suppresses ester/phenol production (this could be a pro depending on the style)
  • Can't watch your fermentation
  • Might affect IBU's (higher) and color (lighter) from what you would expect

Is that about right? Am I missing anything there?

Let's say I want to do a beer that needs ester/phenol production like a saison or a wheat. If you underpitch/don't aerate and don't put any head pressure on it until ... say ... 10 pts from FG, could you still get the ester/phenols you want for those styles?

Thanks!
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