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Home Brew Forums > Home Brewing Beer > Fermentation & Yeast > Fermwrap and Johnson Controls A419
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Old 02-20-2014, 12:42 PM   #11
ankhseeker
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wow! a dream come true! Thanks for this post. I am having problems with the same issue. I appreciate this thread since it directly applies to my current problem. Weird though. NB told me to set it to cool/cut in. I think that is why it won't work this time. My garage gets cold in the winter as well. My unit shows 59 degree temp of the carboy, with a 68 cutout (set) temp. The relay won't come on to heat the fermawrap. I will try the heat cutout and see what that does. I have to get the temp stable before pitching the yeast.

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Old 02-20-2014, 12:57 PM   #12
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I use this same setup in my sub-50 degree basement, and it works great.

I put the fermwrap and fermenter inside the minifridge I use as a fermentation chiller in the warm months. When the fridge is not on, it's just an insulated box, so it does a really nice job of keeping the heat from the fermwrap where it should be.

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Old 02-21-2014, 01:34 AM   #13
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I built a box out of thin wood that is lined with styrofoam board. There is about 4 inches of clearance all round the carboy. Used in conjunction with the ferm wrap heater and Johnson temp controller, I have had great success in controlling my fermentation temps without worrying about burning my place down.

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Old 02-21-2014, 05:09 PM   #14
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I just brewed a beer that required fermentation to be held at 68. I used the bubble wrap (tiny bubbles) with no trouble. My fermwrap is 12" reptile heat tape I bought for $3 a ft, 2 1/2 feet works nice and a wiring kit (cord, grommets and terminals) for $4 to control it I used a temperature controller similar to the STC-1000 I got for $14. and it worked like a charm. Next I want to make a thermotwell from a 3/8 racking tube for $7 and solder the end closed. Once I have the set up I'll make what I need for my primaries.

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