Neat trick for coolers...
Sorry to burst your bubble - regular ice was just as effective.
But not as quick...
Co2 fire extinguishers work in a pinch. but you ahve to rince the cans
off well though.
At $40 per extinguisher to cool a six pack, the salt idea is much more
economical.
And not as effective.
Didn't you serve in SE Asia?
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