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Jason Hunt, Ph.D.
- Jan 12
- 2 min
Keep your water bottle from Freezing
Freezing your drinking water during wilderness travel can become a real issue for those not used to working or hiking in temperatures below freezing (32F). In single-digit temps, your drinking water can freeze in just a few minutes if not protected in an insulated wrap of some sort. Water filters, such as the Grayl, Sawyer, and LifeStraw also freeze up quickly which not only voids the warranty, but degrades the rubber seals and destroys the filter media inside them. Any filtr
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