ColoradoBill

Recipes 

So, I'm sure people have used this before, but I haven't read about it. I was fermenting and the temp went up a couple degrees yesterday. It was at 72 in a 7 gallon glass carboy. I wanted it closer to 68. Easy solution? I took a towel, soaked it in water and wrapped it around the carboy. Then took a fan and put it on over the carboy overnight. Worked like a charm. Got up this morning and it was 66 degrees.

Has anybody else noticed that during primary fermentation the temp goes up a couple degrees? It the reaction exothermic?

homebrewer_99

Recipes 

Yes, we all have. Do search on "swamp cooler".

...and WELCOME!!

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HB Bill

LordHedgie

Recipes 

And yes, fermentation is exothermic.

Reedwalker

Recipes 

It also makes heat.

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Mountainbeers

Recipes 

And it produces thermal energy.

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On Deck: Apfelwein
Fermenting: Oatmeal Stout
Conditioning:
Drinking:

ChshreCat

Recipes 

Which makes it warmer.

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ReeseAllen

Recipes 

I went one better on my first brew -- it was nearly 80 F in my house, so I bought an aquarium pump from the local pet store and set it up to pump water to the top of an old t-shirt wrapped around the carboy. Kept it soaked 24/7. This, plus a box fan, brought it down below 70 and kept it there til the heat passed.

homebrewer_99

Recipes 

...and us on the inside...

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HB Bill