Survival Water Filtration

The water filter is a three tier system. The first layer, or grass layer, removes the larger impurities. The second layer, or sand layer, removes the smaller impurities. The final layer, or charcoal layer (not the ash but charcoal from a fire), bonds and holds the toxins. All layers are placed on some type of straining device and the charcoal layer should be at least 5-6 inches thick. Layers should be changed frequently and straining material should be boiled. Remember, this is not a disinfecting method, cysts can possibly move through this system.

Survival Water Filtration Devices

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. ( ie. boiling, iodine, chlorine etc. )

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

Survival Water Filtration Devices


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