7 Safer Smartwater Bottle Alternatives That Are Actually Practical for Thru-Hikers

Over the past few years, we’ve all been forced to slowly confront the fact that our Smartwater bottles — while the perfect size, weight, and rigidity for thru-hiking— are actively detrimental to our health.

Smartwater bottles are made from PET1 plastic, which is a food-safe plastic designed for single use. Repeated use, such as using the same bottle for days and weeks during a hike, causes the shed of nano and microplastics from your bottle.

Continue reading to learn more, written by Katie Jackson.

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February 28, 2025

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The Trek Editors

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We are the word nerds of The Trek who want nothing more than to infuse some hiking and backpacking joy into your day.

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The Sawyer Mini is super lightweight, fits in your pocket, and filters up to 100,000 gallons of water.

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Sawyer’s picaridin spray works up to 12 hours, and the company’s picaridin lotion is effective up to 14.

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The Sawyer Squeeze Water Filter earns our top pick for its unbeatable mix of weight, longevity and versatility.

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