We keep a cool whip container filled with water, with a quarter under the lid, o... | Hacker News

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		Loughla on Nov 4, 2022 \| parent \| context \| favorite \| on: Low Energy Chest Fridge We keep a cool whip container filled with water, with a quarter under the lid, on top of the water in the top of our freezer. Then, when (not if) we lose power for a while, we duct tape the lid to the freezers closed. Once power comes back on, we check the quarter. It's a pretty good indicator of what we should get rid of, based on how far in the container the quarter has sunk and re-frozen.

Scoundreller on Nov 4, 2022 [–]

I always wonder how effective the upper freezer is at keeping the lower refrigerator cold during an outage.

I know spoilage is a spectrum (10C is still much better than 20C), but also wondered how much or little passive cooling there is.

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