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Old 07-11-2008, 04:06 PM   #1
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Default Fermenting Temp question

I'm doing my first recipe a Taddy Porter and it calls for fermenting at 67 degrees.

My basement is 68 degrees - I assume they are talking about the actual brew and not room temp.

I have heard about a t-shirt/towel fan technique - how many degrees will that drop a brew???

My current beer is a kit and I paid no attention to the temp (which was 71 degrees). Learning as I go!

Plus - is the the entire time in the carboy or just the first week when it's really going???

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Old 07-11-2008, 04:24 PM   #2
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The wet t-shirt and fan will probably get you 5-6 degrees, which should be just about perfect for when fermentation is really going (will compensate for the heate generated by the yeast).

After the first few days when the ferment settles down, you can just go with the ambient 68 in the basement and it should be good.

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Old 07-11-2008, 04:25 PM   #3
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With my t-shirt/icebath in a rubbermade tub setup I can get the temp strip outisde of the fermenter down to the high 50's with enough frozen ice bottles...I figure in the exothermic increase during fermentation of the inside of my fermenter being about 6 degrees. There's several pics of my setup in my gallery

Temp is only crucial in the first few days/first phases of fermentation...after that and after fermentation is complete, letting the temp creep up a few degrees is actualy good, as it will act as a diacetyl rest....there's a good thread on that from last week....I think it was called "hold the butter."

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Old 07-11-2008, 04:30 PM   #4
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If you don't already have one,get a stick-on thermometer (called a "fermometer") so you can keep track of the temp inside the carboy.

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Old 07-11-2008, 04:44 PM   #5
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Got the stick on.

diacetyl - it was reading that thread that really got my brain cells going.

I want to learn EVERYTHING all at once but as we all know it's one step at a time.

It's funny - I was so pumped to start I got the equipment - got a Extract kit and started my first brew - now I'm learning what I did, why I'm doing it and what I SHOULD have done.

So my next brew ( a recipe) I can start all over - by next week I'll be thinking - RATS - I should have done this or that!!


Fascinating!

Thanks!

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Old 07-11-2008, 04:49 PM   #6
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Quote:
Originally Posted by Evan! View Post
If you don't already have one,get a stick-on thermometer (called a "fermometer") so you can keep track of the temp inside the carboy.
I bought a couple of those the other week from my LHBS and they immediately de-laminated from water exposure when I had my carboys in a water bath.....WTF I'm going to have to inquire w/ my LHBS on this??
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Old 07-11-2008, 04:55 PM   #7
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I bought a couple of those the other week from my LHBS and they immediately de-laminated from water exposure when I had my carboys in a water bath.....WTF I'm going to have to inquire w/ my LHBS on this??
They can't be submerged in water very long. They should be ok if there is a wet t-shirt over it, or they are soaked for a day. But I have had two fall apart from keeping them in coolers full of water for a couple weeks.
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Old 07-11-2008, 04:58 PM   #8
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They can't be submerged in water very long. They should be ok if there is a wet t-shirt over it, or they are soaked for a day. But I have had two fall apart from keeping them in coolers full of water for a couple weeks.
yeah, it didn't take long....shame they use water soluble glue on them.
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Old 07-11-2008, 04:59 PM   #9
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Quote:
Originally Posted by Grinder12000 View Post
I want to learn EVERYTHING all at once but as we all know it's one step at a time.

It's funny - I was so pumped to start I got the equipment - got a Extract kit and started my first brew - now I'm learning what I did, why I'm doing it and what I SHOULD have done.

So my next brew ( a recipe) I can start all over - by next week I'll be thinking - RATS - I should have done this or that!!
The problem is there's more to learn than can possibly be remembered, especially in such short time. Those of us that have been here a while are still learning new stuff.

The basement sounds like a perfect place and the wet t-shirt comments are right on. They will drop the temp a few degrees. An ice water bath with a t-shirt and fan will drop the temp significantly, with very little equipment and cost.

As far as learning goes, I would recommend the following books:

How To Brew by John Palmer - Great for techniques beginning and advanced
Designing Great Beers by Ray Daniels - Recipe Formulation
Brewing Classic Styles by John Palmer and Jamil Zainasheff - Award winning recipes and guidelines and tips for every style

Also, besides this forum, there are some great podcasts out there. Jamil Zainasheff has an hour long podcast every two weeks covering a different style every show complete with recipes and how-to from start to finish for the style. Check out The Jamil Show on The Brewing Network
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Old 07-11-2008, 05:04 PM   #10
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Thanks - have two of those books - will look into Designing Great Beers by Ray Daniels - Recipe Formulation.

I love books - (37 poker books LOL).

I understand about never knowing everything - it's that base knowledge I want to absorb - I need a good foundation.

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