[yesthatjallen]

That's when you get to something like 4 degree c. That's when it starts to expand as it freezes.

Water expands when heated AND expands when it reaches the freezing point which is why it's unique.

[Mears]

I keep a couple of 1/2 gallon milk jugs filled with water in my freezer when it doesn’t have much food in it——I only fill them about 80% or the bottle top will be knocked right off——after the freezing takes place.

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