A great summary of how the pot-in-a-pot method of creating evaporative cooling works. Check out what Zeer Pots are.
http://preparednessadvice.com/food_storage/how-to-make-and-use-zeer-pots-to-keep-your-foods-cold/
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Zeer Pots
A great summary of how the pot-in-a-pot method of creating evaporative cooling works. Check out what Zeer Pots are.
http://preparednessadvice.com/food_storage/how-to-make-and-use-zeer-pots-to-keep-your-foods-cold/