Source Select
15 minSelect clearest flowing source upstream of contamination.
Learn bush wild water purify from scratch with a clear step-by-step workflow, recommended tools, safety guidelines, and expert tips.
Select clearest flowing source upstream of contamination.
Pre-filter through bandana removing sediment.
Boil one minute rolling or use filter or chemical per manufacturer.
Store in labeled clean container preventing cross-contamination.
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Standard practices and recommended approaches for wild water purification.
Key formulas and calculations for wild water purification.
Reference table for wild water purification.
| Method | Time | Kills |
|---|---|---|
| Boil | 1 min | All |
| Filter | Instant | Bacteria |
Filters fail and tablets expire — boiling always works with fuel.
Boiling point drops at altitude — extend boil time.
Know when to DNF — persistent pain or confusion means stop at the next aid station.