badmajon said:I have my chest freezer set at 65f, however, I'm not sure what the wort temp is getting to during fermentation.
Should I be doing this a different way?
Attach the temp probe for the controller to your fermenter, and cover it in insulation. This way, ambient air temps won't affect the probe, and the freezer will keep the beer at a relatively constant temperature.
badmajon said:Good idea. What about with multiple fermentors in the freezer?
Jbear said:I just picked up a freezer yesterday to use as a fermentation chamber after my last batch had a really vigorous fermentation that spiked the temp up to 73* (sitting in a 64* ambient closet) resulting in a lot of fruity esters in my porter... My thermostat can heat or cool, so I'll also put a tiny space heater in the freezer in case it needs a boost as fermentation wraps up or to raise temps for a D-rest, etc.
I try to brew about every 2 weeks, so for multiple fermentations going my game plan is to have the freezer be dedicated to each beer for the first 7-14 days during the active/hot fermentation then I will move them to the closet I have been using to ferment. The closet maintains a steady mid-60s temp and can hold 3 vessels easily. I'm hoping that will give me the control I need without bottlenecking the pipeline. That being said though, a second chamber would be nice to have full control including being able to cold crash and whatnot. Perhaps I'll have to see just how many cheap craigslist chest freezers I can get HWMBO to approve...
What do you guys use as insulation over the temp probe on the outside of your vessel?
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