Originally Posted By: Byrd_Huntr


To remove other impurities, you will need a filter.


Excellent reminder and clarification, thank you! The survival mom blog just did a post about that very thing, improvised water filter. Three layers: grass, sand, charcoal.

Do you think that a simplistic one like that would be effective in the long run (combined with boiling)? Seems pretty easy to make... or are there other variables to consider that I am too 'right-brained' to consider?
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