Make a Solar Powered Survival Water Purifier Out of Two Water Bottles If you need to filter some water for drinking or cooking, this DIY solution uses the power of the sun. In this video from the MAD Science Hacks YouTube channel, you’ll learn how to create a simple water filtration system that uses the heating power of the sun. You’ll need two water bottles, some thin PVC pipe, and a way to attach the bottle’s caps together (they use hot glue.) A brilliant idea actually which costs next to nothing, but it does take a bit of time to purify the water. One commenters suggestion is to also paint some of the lower bottle black. Just ignore the graphic on this post as it does not use a solar panel at all - you need to watch the actual video to see how it works. See http://bit.ly/2h2lLMX
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