Controlling temp

Tony C · Oct 29, 2019

I have never fermented anything over 5 gallons which has only ever needed to be heated. I was thinking of buying a 10 or 20 gallon plastic tub and fermenting in that, but I have read that this would need to be chilled.

How big can you go, before cooling is required?
Cheers TC

simon12 · Oct 29, 2019

There are to many variables to even guess and ideally you want cooling with any volume though you don't need heating anymore when you get to around 200l as long as its insulated and external temps are within maybe 10c ish of target. For a more practical answer this time of year in an unheated shed your only going to need heating while in a room thats always 18c plus your only going to need cooling but somewhere thats inbetween or fluctuates between the 2 you want both. Also the larger the volume and the better the insulation on the FV the leed heating and more cooling you need.

Tony C · Oct 30, 2019

Cheers, I guessed almost as I hit post, that my question was to simplistic.
Currently I tend to brew indoors but have been known, in winter, to put a couple of 5 gallon fermenters with a heating belt round one and a fish tank heater suspended in the other, all wrapped up in an auld quilt in my unheated garage.
Been thinking of building a more permanent brew box/cupboard in the garage and wondered what sort of size I could get away with.

TC

Chippy_Tea · Oct 30, 2019

Have a look at this thread, you already have the heater and if it hasn't got a thermostat an inkbifd controller will do the job
You can get large plastic boxes that'll take two FV's
https://www.thehomebrewforum.co.uk/threads/how-to-set-up-a-water-bath-for-your-fv.66407/

Tony C · Oct 30, 2019

Excellent link Chippy_Tea ta. I am really liking the idea of using a water bath to keep things warm. I was considering a box with an old fridge and bar heater hooked up to an STC-1000 in the garage so it could be consistent all year round.

Controlling temp

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