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When treating outdoor water by boiling, what stage should it reach?

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  1. Until it feels warm
  2. A full boil
  3. Until tiny bubbles appear

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References

  1. Wilderness Survival Merit Badge Pamphlet filestore.scouting.org/filestore/Merit_Badge_ReqandRes/Pamphlets/Wilderness%20Survival.pdf Checked 2026-10-09.

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