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justin8425 12-11-2007 04:53 AM

Keeping Warm
I live in SoCal and our temps have been getting lower (mid 50's in my garage). As I have been banned from bringing in my primary fermentation after a bad accident, I am looking for a creative (cheap) way to ensure stable temps in the high 60's. I have left a carboy filled with water and sat in a water bath over night and in the AM, the water in the carboy has been about 59. I have seen some ideas about temp control, but was wondering if this forum could add to my knowledge. Thanks for your help.

BuffaloSabresBrewer 12-11-2007 04:55 AM

Carboy belt. Try northern brewer I know I have seen them there.

justin8425 12-11-2007 04:56 AM

Does the belt work with glass? Thought I saw that those were only for plastic... How about those heating pads that can be taped on?

BuffaloSabresBrewer 12-11-2007 04:57 AM

Actually better idea would be to spend those bitter cold nights cuddling with your fermenter shielding it from the cold. Sacrifice yourself for your beer.

BuffaloSabresBrewer 12-11-2007 04:58 AM


Originally Posted by justin8404
Does the belt work with glass? Thought I saw that those were only for plastic... How about those heating pads that can be taped on?

sure does scroll down just a bit

smizak 12-13-2007 03:17 AM

I built a little heater that consists of a light bulb mounted in a coffee can with both ends cut out and a computer fan taped on one end.

I also built a temperature controller using a Atmel Microprocessor and an LM86 temperature control chip, which allows you to use a small transistor as a temperature probe. I put my carboy in a foam insulated plastic garbage can, tape the probe to the carboy and hang the lightbulbcoffeeheater thingy on the edge. Creative positioning of some black plastic contractor bag material shields the beer from the light bulb. Has worked well so far.

BuffaloSabresBrewer 12-13-2007 03:29 AM

Get a can of high temp spray paint and paint over the bulb. No more light to worry about.

smizak 12-13-2007 04:16 AM

Huh, will try. :mug:

Hopefully the heat will dissipate quickly enough to not destroy the bulb. I've had that problem with some lamp reflectors for my lizards.

kladue 12-13-2007 04:27 AM

Set the carboy in a water bath and use a couple aquarium heaters to keep water bath at desired temp, insulation around water bath will reduce wattage needed to hold temp.

ShortSnoutBrewing 12-13-2007 04:30 AM

I guess it's not the best idea, but I've put a heating pad in between several blankets and had the carboy sit on top of the blankets. Wrapped the carboy in blankets and had good success. Just need to remember not to leave it on too long or too hot...it will warm that carboy up pretty quickly.

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