Best Low-Tech Ways to Purify Water in an Emergency?

[AquaFern1028]

Looking for reliable, low-tech water purification methods that don't rely on store-bought filters. Have had success with boiling and solar disinfection, but wondering if anyone has firsthand experience with homemade charcoal filters or other old-school techniques? Any advice on materials or tips for field improvisation appreciated.

 

[BlueSkyWanderer]

Boiling's always been my fallback, but I’ve tried homemade charcoal filters too. They help with taste and some impurities, but you still gotta boil it after—charcoal doesn’t kill pathogens. I used burned hardwood, crushed it up, packed it tight in a sock with some sand and gravel. Works in a pinch if that’s all you’ve got. Anyone tried using wild plants for purification, like catt