Best Low-Tech Ways to Purify Water Off-Grid?

[BlueHarborTea]

Looking to brush up on off-grid water purification methods that don’t depend on tech or fancy gadgets. Is boiling always the safest bet, or are there other tried-and-true methods folks rely on? Would love input on anything you've actually used in a pinch.

 

[OrbitJazz21]

Solar disinfection (SODIS) with clear plastic bottles actually works pretty well if boiling isn’t an option and you’ve got plenty of sun—just fill 'em up, lay them out for a day, and UV does the job. Also tried gravity-fed ceramic filters, which don’t need pressure or power, just a little patience. Charcoal from a campfire can help filter out