Quote:
Originally Posted by NiHaoMike
Add something like salt or propylene glycol to the water to lower its freezing point.
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Sea water freezes at around -2°C or -4°C, iirc, and I don't think it would go much lower, with more salt in it.
Glycol solution may be an option, but I would first need to find what the temperature range will be in the freezer, then get the glycol/water proportions for a freezing temp in that range.