Question by JJ Jones( Jamal Jerome Jones Jr): How can you make a simple water purification system that separates water and salt or gravel for a project?
It’s for a project that we need to do. I need to make a simple water purification system that seperates water and salt and/or gravel for a project?

Best answer:

Answer by Wavefunction
Distill it! Check out this website, it’s really simple.

http://en.wikipedia.org/wiki/Distillation

Or poke small holes in the bottom of a plastic cup, and make layers of sand, gravel, and cotton (like cotton balls or a bandana) and pour the water in. That’s easiest.

Add your own answer in the comments!