Temperature controllers for fermentation in fridges .... Feedback wanted

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Permalink Reply by Craig Howard on November 21, 2015 at 11:28am

Your fridge is creating ambient cooling temperature...what is creating ambient heating temps?

I assume not a heat pad or belt on the keg.

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Permalink Reply by Sam DT on November 19, 2015 at 4:48pm

Yeah on the fermenter with insulation over the top is definitely the way to go (short of a thermo-well). You generally hit 2-4 degrees above ambient mid fermentation as its an exothermic process so unless you set your ambient deliberately lower you could end up in the danger zone

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Permalink Reply by Dave on November 19, 2015 at 5:11pm

What sort of controller are you using? As Sam correctly says, you need one with the delay for refrigeration (like the ST-1000) that has a delay timer to stop the fridge turning on and off too soon. From memory, mine is set so that the fridge can't turn on for 2 minutes after it stops. The temperature should not be an issue, I have an old fridge that I run at fermentation temperatures, then down at 1 degree for cold crashing no issue.
If you constantly turn it on/off this would kill a fridge.

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Permalink Reply by Grant R Baker on November 20, 2015 at 10:15am

STC-1000 set to 6 minute delay with a 0.6 degree varience.

The 'other' STC which only does Heat or Cool has less options and only a 1 degree sensitivity... but can also set a delay so it is good for a largering fridge, mashtun temp control etc

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