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Rich shares plans for a permanent solar still that can be used to distill water on a continuous basis. He chose the distillation approach in particular to get rid of salt and chemicals that could be found in the source water. He includes directions on the best dimensions for the still and how to build it.

This approach calls for putting water into pans inside the still and then letting the sun distill the impurities out of the water. The recaptured purified water runs down a hose into a bucket or container that you provide. The still can be used on cloudy days too.

It’s a neat project! Click on the How to Build a Solar-Powered Still to Purify Drinking Water link below to see the details.

How to Build a Solar-Powered Still to Purify Drinking Water