Drink in the Sunshine - Make Your Own Solar Water!

Andrea Fabry
by Andrea Fabry
Easy
Did you know sunshine and cobalt blue glass make an all natural water purifier?
Fill your cobalt glass bottle with tap water. Leave the bottle uncapped overnight to allow the chlorine to evaporate. You may use previously filtered water and skip this step. I use our water from our Berkey water filter.
Cap the bottle loosely and place in sunshine for 1-6 hours. Do not cap too tightly as this could alter the pressurization which could alter the purity of the water.
Drink and enjoy! Note: I am not aware of any lab testing when it comes to solar water. Taste the difference and see what you think!
Andrea Fabry
Want more details about this and other DIY projects? Check out my blog post!
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Frequently asked questions
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  2 questions
  • Hbet Hbet on Sep 20, 2016
    Will brown glass bottles behave the same?
  • Marlene Marlene on May 08, 2020

    Where can you get cobalt bottles!

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  • Jeanette S Jeanette S on Jul 08, 2014
    P.S. I actually found an email for Mythbusters and sent them an email asking for a test! HA! Here is my reply from them....."Dear MythBuster Fan,Thanks so much for getting in touch! Right now we're really busy busting myths so we can't reply to individual emails - sorry! But we greatly appreciate you writing in and when we get a chance to go through our inbox, we'll get in touch if we've got any follow up questions. In the meantime, question everything and trust no one!Long live science,Team MB"
  • Andrea Fabry Andrea Fabry on Jul 08, 2014
    I'm thinking it's a no-lose to do solar water with filtered water of some sort. Seems like an added boost intuitively to me. Too bad about MythBusters :)
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