Water Filtration Systems

WATER FILTRATION DEVICES

6-35. 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.

6-36. 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 6-10).

Figure 6-10. Water Filtering Systems

Figure 6-10. Water Filtering Systems

6-37. Remove the odor from water by adding charcoal from your fire. Charcoal is also helpful in absorbing some agricultural and industrial chemicals. Let the water stand for 45 minutes before drinking it.

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