How to cool water fast! - Heat Transfer Thermodynamics ...
Apr 06, 2011 Those who brew beer at home must cool 5 gallons of boiling wort to less than 100F for fermentation. This is done in a few minutes by siphoning the hot wort through a copper tube coiled in a sink full of water. The top layer of water in the sink will become quite warm while the bottom stays cool. Keep it simple.
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