Distilling sea water.

[Missourian]

I imagine you could use this technique to make any water drinkable...except from man-made contaminates.

 

[fncceo]

I turn wine into water all the time ... but it's not something you'd want to drink.

 

[miketx]

I imagine you could use this technique to make any water drinkable...except from man-made contaminates.

I didn't watch your video but sail boats have had a device called a water maker for a while now that turns sea water into drinkable fresh water.

Watermaker - Wikipedia

 

[Pogo]

I imagine you could use this technique to make any water drinkable...except from man-made contaminates.

But still......

 

[WinterBorn]

Watercone – An Ingenious Way To Turn Salt Water Into Fresh Water | The Sietch Blog

This uses a plastic cone over a pan of salt or brackish water. The sun evaporates the water which then condenses on the sides of the cone.