Top 8 Water Purifiers to Survive Anything

Clean water is a must when the world goes sideways, and preppers know it’s job one in a SHTF scenario. Whether it’s a natural disaster, grid failure, or worse, you need a reliable way to purify water fast. We’ve rounded up eight water purifiers that preppers swear by in 2025—tough, practical, and ready for anything. I’ve been prepping for years, and once during a bad storm, my old Berkey saved my family when our tap water got funky. These are the real deal, no fluff.

Continue reading to learn more, written by Menachem Kossowsky.

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July 19, 2025

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Menachem Kossowsky

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Menachem Kossowsky is a contributing writer for MSN.

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Sawyer’s spray offers an impressive 12 hours of protection against mosquitoes and ticks, and a little less (eight hours) against flies, gnats, and chiggers.

Korin Miller
Health, Lifestyle and Commerce Writer

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Sawyer’s Permethrin spray has also worked as promised.

Mark Melotik
Freelance Writer

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Sawyer, for example, checks to ensure that no pore size exceeds 0.01 microns, stating that “the filters are then checked four more times at crucial points of assembly for filter integrity before they make their way onto the shelf.”

Dan Hu
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