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Home Brew Forums > Home Brewing Beer > Beginners Beer Brewing Forum > Temp Control Importance??
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Old 11-29-2009, 11:52 PM   #11
jescholler
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I use a water bath with a tote. I take a ~30 gallon tote and put my fermenter inside of it. I fill the tote up with water to the level of the beer in the fermenter. Then I use this aquarium heater
http://www.amazon.com/EHEIM-JAGER-HE.../dp/B001EUE77C
to regulate the temperature. It works great.

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Old 11-30-2009, 12:28 AM   #12
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Stupid question... But a 30 gallon tote = rubbermade trash can??

Also what temp do you you set the heater for?? Do you wait for fermentation to begin to place in the tote, or add to the tote and just let nature happen?? Great idea, but more details would be greatly appreciated..

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Old 11-30-2009, 01:27 AM   #13
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A trash can would work, but what I was talking about is more like this:
http://www.reliablepaper.com/Brute_2...rcp9s31gra.htm

The night before the brew, I fill the tote with water to the level that I think I'll need, put the aquarium heater in there, and I set the temperature about 1 degree lower than my desired fermentation temperature (the aquarium heater allows you to set the temperature from 64F to 94F in 1 degree increments). By the next day, the temperature heats up to the set temperature. When I'm done brewing, I place the fermenter in the tote, which is 1 degree lower than my desired fermentation temperature. Once the fermentation gets going, the energy from the fermentation raises the water temperature about 1 degree, so I'm right at my desired fermentation temperature. I also assume that the temperature of the water is equal to the temperature of the fermenting beer, since the heat transfer between the water and beer is better than the heat transfer between air and the beer (which is why when fermenting in air, the beer is 4-10 degrees warmer than the air). My assumption may be wrong, but I figure it's close enough.

Does that clear things up?

Edit: Added picture below. In the front I have a carboy and in the back I have some bottles conditioning at about 72F.

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Old 11-30-2009, 01:32 AM   #14
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I think he means a storage bin.

Also, he's in Atlanta, so he's pretty much never going to need a heater. He'll need to cool the fermentation.

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Old 11-30-2009, 02:37 AM   #15
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Thanks this clears it up.. I have about a dozen of those things.. Pure HB ingenuity at its best.
Thanks again this helps a ton..

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Old 11-30-2009, 03:01 AM   #16
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You're welcome. I can't take credit for the idea though. I too learned it on HBT.

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Old 11-30-2009, 03:38 PM   #17
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Quote:
Originally Posted by JKoravos View Post
I think he means a storage bin.

Also, he's in Atlanta, so he's pretty much never going to need a heater. He'll need to cool the fermentation.
This can be done by using frozen 500mL water bottles (or gallon jugs, if it's particularly hot). Just plop one or two of those in the water and change them when they thaw. They'll keep the water cool in the hotter months.
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Old 11-30-2009, 03:43 PM   #18
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Quote:
Originally Posted by hbhudy View Post
Just to clarify the space that my fermenter is located has the has the wild swings in temperature. I need to add a stick on thermomter, but I am more concerned with the swings in the outside temp...

I was contemplating creating an insulated "box" with a light in it to keep the temp constant, and storing in my garage (in the 40-50* range)...

Has anyone created something like this? I see a lot of folks converting a fridge, but right now I can not afford this portion of the HB Equipment "needs" {unless santa brings one HoHo HomeBrew}..
I'm not sure how the light would affect your beer. I know sunlight is bad and can have negative effects on the taste. This could be different with different light sources though.
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Old 12-01-2009, 12:16 AM   #19
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You can actually fit two carboys in the 30g rubbermaid. Assuming you are fermenting two beers at the same temperature.

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Old 12-01-2009, 01:22 AM   #20
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Regardless of where the idea came from, tx Jescholler!

I'm in the Great White North, and the basement is where all my brewing equipment is. Gets cold enough down there that I was thinking of lagering this winter! Heating is what I need, and I was also considering some sort of an insulated box with a lightbulb and thermostat, but this water bath is very simple, and I think you're right, will do a better job of regulating things.

edit: 100W is enough? Seems to me like that's pretty small to be heating that much water.

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