Internet search for "Solar Still".
Tons of information out there on the web.
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If you are going to be staying at one location all day or multiple days, a solar still can help with fresh water production. If not staying put, then I'm sure you can come up with something on the back or roof of the camper.
The
Aquamate Solar Still is commercially produced and similar to what naval aviators (back in the day) carried in a pant leg pocket of their flight suit, except a smaller version. Works both floating and on land. The Aquamate can create clean water between 0.5L & 2.0L per day. depending on conditions.
For the home made solar still (sort of fun for kids to build) can look like this (from the
How to Make a Solar Still)...
It can be a science kit for the kids.
Water from the ground is the dirty water source, even works in the dry desert, although water production is lower..
Here's a web link to the
Aquamate Solar Still Deluxe Water Purification Kit (non-floating - simpler) for those that want to purchase it that way.
For personal use I carry my home made version; a sheet of plastic (get a new one each year) and this cereal bowl as the clean water collector with molded in straw which I connect to a clear aquarium tubing of about 4 feet in length. The plastic folds up and fits inside the cereal bowl along with the tubing. Light weight and small. I practice my solar building skill at least once or twice a year. Just keep everything, the plastic, the water collector and the tubing clean.
There are many other types of solar stills. A long time ago I had a home made hard side one that folded up to a flat unit like the size of our common rigid solar electrical generation panels. Carried it on the roof of my old Bronco. Made a couple of gallons of fresh water each day when I was in Baja.
It's just sun light, dirty water, evaporation and a clean water collector.
