Added Amylase, Can I Pull a Cold Keg out to Warm to Room Temperature - Home Brew Forums

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Old 10-15-2009, 02:20 AM   #1
Aug 2008
Posts: 882
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I had a stuck fermentation on a beer that is at 1.022. I tried all the normals to get it going with no luck so I let it sit for a few months and kegged it. I carbed it and dropped it in the keezer and placed it on tap. I have tried some samples out of it and it is honestly drinkable, but still too sweet.

I threw some amylase in there about 3 weeks ago but have since read that it does better when temperatures are a little higher. I am thinking about pulling it out of the keezer, letting the amylase do its thing, and when it is complete or at least reasonable, adding the lactose that I didnt add into the beer.

Can I safely pull the keg out and let it warm to room temp without affecting the beer? Also, can I leave it carbed and with serving pressure? I assume that the amylase should still work when warmed back up correct?
JewRican Brew Works

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Old 10-15-2009, 01:25 PM   #2
david_42's Avatar
Oct 2005
Willamina & Oak Grove, Oregon, USA
Posts: 25,593
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Amylase will work better at room temperature and warming your beer up a little won't hurt it.
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Old 10-15-2009, 05:43 PM   #3
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TexLaw's Avatar
Sep 2007
Houston, Texas
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Pulling it out is fine. Adding amylase will affect your beer more than warming it back up for a little while.

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Old 10-15-2009, 05:45 PM   #4
Mar 2009
San Diego
Posts: 14

Amylase will breakdown the long chain sugars to be more fermentable, but you will still need yeast present to convert these sugars to alcohol. You may want to make sure that any residual yeast is roused up from the bottom of the keg or add a bit more.

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