A gravity bag in front of a body of water.
A gravity bag in front of a body of water.

Gravity Filtering With a Sawyer Squeeze

That may sound like an oxymoron, but there’s a good reason to try it. Forcing water through a filter more slowly might make it last longer. Does decreased pressure increase lifetime? With a brand-new Sawyer Squeeze, I started my thru-hike of the Pacific Northwest Trail intending to find out.

It’s been a long time since I first got frustrated with my Sawyer Mini on the PCT, and I’ve learned a lot since then.

Continue reading to learn more about the Sawyer Squeeze, written by Richard.

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Richard, aka "LowRange

Useless fact: I named my left quad "brute-force" and my right quad "ignorance". Alternative fact: originally from the UK, I've lived in the USA for over twenty years. I've spent most of my trail-time in the western states of the US, but also hiked in Scotland, Canada and New Zealand. I planned on being in the PCT class of 2020, but had to postpone. My 2021 SOBO attempt was interrupted by fires and closures. In comparison, the CDT in '23 and PNT in '25 were almost problem-free. --Richard, aka "LowRange"

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Sawyer Squeeze is the longer lasting and more reliable filter, which should affect the choices of thru-hikers.

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