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Re: Solar Still (was APD V4 #143
What you described is called a solar still. There are commercial
versions for use in life boats, etc.
It should be easily procurable on the coast.
> Hi all.
> I was thinking about my open-top 55 gallon, and how it loses water pretty
> fast, and how I hate to replace it with our liquid-rock tapwater. I looked
> over at my 2.5 gallon tank, and saw the evaporated water sticking to the
> glass top. The evaporated water is "clean", is it not? I know that when
> water evaporates from a puddle of hard water, the "goodies" in the water
> remain stuck to the ground. I was thinking that a good, cheap way to get
> soft water without resorting to expensive RO systems might be to build an
> evaporator of some sort. I was thinking maybe something made of plexigless
> filled with water and left in the sun might work. This drawing is something
> that I thought of in about 15 seconds, so if it has holes in the plan, feel
> free to draw up a different one. :) Or, if the drawing didn't survive the
> translation to the list, never mind.