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Personal water filter test data.

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  • Personal water filter test data.

    Long read, but it's got definitive data on how well most of those available actually do work.

    Good stuff to know.

    https://www.wideners.com/blog/water-...-for-survival/
    Alle Kunst ist umsunst Wenn ein Engel auf das Zundloch brunzet (All skill is in vain if an angel pisses down the touch-hole of your musket.) Old German Folk Wisdom.
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