Ran across this somewhere while surfing the net....Those who have remote places or garages with a freezer of food.....Just a visual aid to see if a power outage may have compromised your storage.
Fill a water bottle half full and freeze standing up. Then when you leave for a long trip lay on side. If the water is frozen to side then you know you had a power outage long enough to completely thaw bottle and its probably a good idea to throw away food in freezer.
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