They suck for getting water out of rocks, but for desalinating sea water they work great. Salt isn't very volatile. <img src="/images/graemlins/wink.gif" alt="" /> I built mine for under $25, it has no moving parts, and can be repaired with duct tape.

-Mark

_________________________
Foraging Texas
Medicine Man Plant Co.
DrMerriwether on YouTube
Radio Call Sign: KI5BOG
*As an Amazon Influencer, I may earn a sales commission on Amazon links in my posts.