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Date: 29 Oct 2006 18:13:00
From: db
Subject: brewing temperatures...
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hi, i am brewing my first batch of beer and would appreciate some help.
have a scottish ale that has been in primary for 31 hrs, in a room
with constant 68 deg ambient temp. beer has been working well since i
got up at 6 a.m. with airlock bubbling every 1 second all day long.
within past 12 hrs, temp in primary has risen from around 68 to about
72-73. should i move the primary to a cooler location or leave it as
is? thanks a lot, db.
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Date: 29 Oct 2006 23:02:44
From: Wayne
Subject: Re: brewing temperatures...
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db wrote:
> hi, i am brewing my first batch of beer and would appreciate some help.
> have a scottish ale that has been in primary for 31 hrs, in a room
> with constant 68 deg ambient temp. beer has been working well since i
> got up at 6 a.m. with airlock bubbling every 1 second all day long.
> within past 12 hrs, temp in primary has risen from around 68 to about
> 72-73. should i move the primary to a cooler location or leave it as
> is? thanks a lot, db.
>
During the first 24 hours or so, the yeast action will raise the
temperature of the wort by 7-8 degrees or more. It's the temperature of
the beer, not the temperature of the room you need to pay most attention
to. You don't really want to let the temperature of the wort/beer rise
above about 68-70 degrees. You may have to move the fermenter to a
cooler location to keep the temp that low. It's during the first 36
hours or so that any off flavors from high fermentation temperatures
will be formed, after that keeping it at slightly higher temps shouldn't
hurt anything.
Wayne
Bugeater Brewing Company
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Date: 29 Oct 2006 22:16:43
From: Gwidman
Subject: Re: brewing temperatures...
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"db" <djbinegar@gmail.com > wrote in message
news:1162174380.329623.66410@m7g2000cwm.googlegroups.com...
> hi, i am brewing my first batch of beer and would appreciate some help.
> have a scottish ale that has been in primary for 31 hrs, in a room
> with constant 68 deg ambient temp. beer has been working well since i
> got up at 6 a.m. with airlock bubbling every 1 second all day long.
> within past 12 hrs, temp in primary has risen from around 68 to about
> 72-73. should i move the primary to a cooler location or leave it as
> is? thanks a lot, db.
db, it's probably ruined, just dump it out and try again. Just kidding!
It's fine. If you can keep it at 70 or below that would be optimal,
depending on the yeast. A spike in temperature when the yeast is at its
most active is normal.
Congrats on your first brew!
gw
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Date: 30 Oct 2006 16:28:20
From: John 'Shaggy' Kolesar
Subject: Re: brewing temperatures...
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On 29 2006 18:13:00 -0800, <djbinegar@gmail.com > wrote:
> hi, i am brewing my first batch of beer and would appreciate some help.
> have a scottish ale that has been in primary for 31 hrs, in a room
> with constant 68 deg ambient temp. beer has been working well since i
> got up at 6 a.m. with airlock bubbling every 1 second all day long.
> within past 12 hrs, temp in primary has risen from around 68 to about
> 72-73. should i move the primary to a cooler location or leave it as
> is? thanks a lot, db.
Fermentation creates heat, so it's normal that the temp of the fermenting
beer will be several degrees above the ambient temp. IMO, I would move it
to a cooler place if you have one. Unless you're brewing a style that
specifically calls for a lot of by products (esters, fusels), you'll probably
have better results if you can keep the fermentation temp below 70F.
Personally, I shoot for the mid 60s for most of my ale fermentations, which
means an ambient temp in the low 60s.
John.
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