ScienceIsSexy420 t1_iy2a8vp wrote on November 28, 2022 at 4:53 AM

Reply to comment by BurnOutBrighter6 in ELI5: how does fresh water ice forms out of sea water( salty), shouldn't it make salty ice? Does water "purifys" itself during phase conversation or what? by UniqueCold3812

This is why salt, and other dissolved compounds, will reduce the freezing temperature of water: the interfere with the formation of the crystal lattice structure required for the phase transition

SoulWager t1_iy2jz3f wrote on November 28, 2022 at 6:42 AM

And when sea ice is forming, underneath the ice layer it forms a brinicle of highly salty and colder water.

https://www.youtube.com/watch?v=BtQhb8sWJNw