There are different kinds of water.
https://en.wikipedia.org/wiki/Heavy_water
https://en.wikipedia.org/wiki/Tritiated_water
https://en.wikipedia.org/wiki/Semiheavy_water
Finding any of them on another planet or moon would be interesting.
https://en.wikipedia.org/wiki/Heavy_water
https://en.wikipedia.org/wiki/Tritiated_water
https://en.wikipedia.org/wiki/Semiheavy_water
Finding any of them on another planet or moon would be interesting.