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Old 07-14-2012, 07:12 AM   #731
StMarcos
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I just wait till it's coming out at a much diminished rate and crank it to 15 psi or so. I don't take gravity readings so I can't get things perfect. 5psi to start.

 
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Old 07-14-2012, 12:54 PM   #732
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I found the pressurized fermentation difficult. If it is pressurized, you have no idea how your fermentation is going or when it is complete. Additionally, if you have the fermenter somewhere near full and an active fermentation, de-pressurizing can lead to a mess. I found it more useful to use that hardware to add some co2 initially or after fermentation is complete. Also used it to push out a blockage in a sampling valve.

 
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Old 07-14-2012, 02:34 PM   #733
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Can't you use your sample valve to take gravity readings at any point and determine status that way alone? That's how pro brewers do it, they're definitely not cracking open their fermentors to take a peek inside. I have yet to do this myself - my brewhemoth arrived a few days ago - but that's how I'm planning to monitor a pressure ferment.

You've found it to be harder than it seems?

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I found the pressurized fermentation difficult. If it is pressurized, you have no idea how your fermentation is going or when it is complete. Additionally, if you have the fermenter somewhere near full and an active fermentation, de-pressurizing can lead to a mess. I found it more useful to use that hardware to add some co2 initially or after fermentation is complete. Also used it to push out a blockage in a sampling valve.
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Old 07-14-2012, 02:39 PM   #734
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Quote:
Originally Posted by cscade View Post
Can't you use your sample valve to take gravity readings at any point and determine status that way alone? That's how pro brewers do it, they're definitely not cracking open their fermentors to take a peek inside. I have yet to do this myself - my brewhemoth arrived a few days ago - but that's how I'm planning to monitor a pressure ferment.

You've found it to be harder than it seems?
+1 Opening the fermenter during a pressure ferment defeats the whole purpose of doing it in the first place. I check gravity out of the sample valve and have had no issues doing it (other than degassing the sample, obviously).

 
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Old 07-14-2012, 02:45 PM   #735
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Do you shake it to degas faster, or just let it sit for a while?

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+1 Opening the fermenter during a pressure ferment defeats the whole purpose of doing it in the first place. I check gravity out of the sample valve and have had no issues doing it (other than degassing the sample, obviously).
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Old 07-14-2012, 02:49 PM   #736
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I usually take a 200 ml or so sample into a 1L breaker then hit it with a kitchen whisk, it will foam up really good then the head will drop out in about 10 minutes.

 
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Old 07-14-2012, 03:04 PM   #737
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Good idea. I bet a stirplate would work well then too.
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Old 07-14-2012, 03:40 PM   #738
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I just cap the cylinder with foil and leave it for a while. There are other chores around the brewery getting done while the sample degasses.

 
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Old 07-27-2012, 12:10 PM   #739
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OK...brewed my first batch with my Brewhemoth yesterday and attached the spunding valve instead of a blowoff/airlock and set the pressure to about 5. How long does it usually take until you see the gauge show some pressure inside the conical?

 
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Old 07-27-2012, 01:08 PM   #740
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It depends on how long the oxygen uptake and growth phase takes... In my experience with pitching active starters with lots of oxygen I'm seeing pressure build in about 6 to 12 hours

 
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