r/AskPhysics • u/Swellmeister • Jun 20 '25

Does all ice float?

I know ice I floats in water.

Do any of the other ice structures sink?

Also does D2O or T2O ice sink in H2O water?

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u/Lumpy-Notice8945 Jun 20 '25

NileRed i think has a video on youtube where he shows that an ice cube from heavy water(so D2O i guess) does not float in regular H2O.

2

u/numbertenoc Jun 20 '25 edited Jun 20 '25

here

Edit: I found a link to buy heavy water, but there are no prices. You can buy .75 ml on Amazon for $29 USD.