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Ways to filter, purify water demonstrated

  • CRAIG T. KOJIMA / CKOJIMA@STARADVERTISER.COM

    John Cummings of the city Department of Emergency Management created a solar stove using a salvaged television screen to focus sun onto the pan. He cooked Vienna sausage as the pan heated to 400 degrees in direct sunlight.

  • CRAIG T. KOJIMA / CKOJIMA@STARADVERTISER.COM

    1. Cut the bottom off a plastic water bottle, plug the spout with a cloth and add layers of charcoal, gravel and sand.

  • CRAIG T. KOJIMA / CKOJIMA@STARADVERTISER.COM

    2. After water passes through the filter, it must still be purified to destroy any harmful bacteria, pathogens or parasites.

  • CRAIG T. KOJIMA / CKOJIMA@STARADVERTISER.COM

    3. Water obtained from a clean source or that’s been run through a filter can be purified by placing it in clear plastic bottles on an aluminum pan in direct sunlight for a minimum of six hours. If it’s cloudy, it will take at least two days of exposure.

As precious as it is, clean drinking water gets taken for granted until a natural disaster limits access. Read more

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