LPT: Install a temperature alarm on your freezer.
LPT: Install a temperature alarm on your freezer. When freezers fail, they do so silently. Meanwhile, all of your food is perishing without your knowledge. I just lost 200 bucks of food from this. If I had a temperature alarm, I would have been able to move everything to a different freezer in time. Make the investment. It will save you hundreds of bucks in the long run.
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