WATER FILTRATION DEVICES

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If the water you find is also muddy, stagnant, and foul smelling, you can clear the water--

• By placing it in a container and letting it stand for 12 hours.
• By pouring it through a filtering system.

Note: These procedures only clear the water and make it more palatable. You will have to purify it.

To make a filtering system, place several centimeters or layers of filtering material such as sand, crushed rock, charcoal, or cloth in bamboo, a hollow log, or an article of clothing (Figure 6-9).

Remove the odor from water by adding charcoal from your fire. Let the water stand for 45 minutes before drinking it.