Turning my brew fridge into a glycol chiller

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Dues it take long? Guessing about 20mins?
Going from 21C to 0.5C takes about 10-12h depending on ambient temperature and temperature of the glycol reservoir (I have it at 4C during fermentation, set it to -3C for cold crash).
Tbh with the twister coil, you could run this on a good ice box. If you wanted temp maintenance.
That's what I did before switching to use the ice maker compressor, I just filled a cool box with ice accumulators in order to keep fermentation temp. With the added compressor I don't need to worry about changing the ice accumulators anymore :).
 
Did you really mean 10-12 hours?
Yup, hours.
I don’t know how an ice maker is put together - what stops you using it as it is?
I don't think I could use it as it is, as the evaporator won't be submerged in the glycol. Also the water container for the ice cube maker is quite small, maybe 1L, not even sure a pump would fit in there.
 
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