Best Low-Tech Ways to Purify Water Off Grid?

MarigoldBreeze

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May 3, 2025
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Best Low-Tech Ways to Purify Water Off Grid?

Looking for tried-and-true low-tech water purification methods that don't rely on fancy gear or chemicals. Has anyone had real success with solar distillation, sand filters, or other off-grid options? Would love practical tips, especially for situations where boiling isn't feasible.
 
Slow sand filters have worked for me—simple, just gravel, sand, and a container. Water isn’t fast but comes out clean. Anyone tried adding charcoal for extra filtration?
 
Charcoal definitely helps—crush it up and layer between sand levels. Works better for taste and some nasties, but it won’t catch everything. Ever tried using clay pots for filtration?