Quote:
Originally Posted by Sonic04GT
I used a very basic mercury thermometer which read about -13C. Figured 72hrs should be a safe bet since it only takes 48hrs at -10C.
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You'll probably be ok, but something to keep in mind is that home refrigerator/freezers don't hold a constant temp. You might have read -13 at that point, but they can potentially cycle by quite a large range. 10 degrees is not uncommon, and some swing even more. The ideal under those circumstances would be to use a logging thermometer to find out what the highest temperature the freezer gets up to, and then use the recommended length of time for that temperature.