There a literally a million instructions on how to improvise a water filter. Usually with a tin or bottle as container, these are great. But for this project I chose a cone made out of birch bark.
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| I`m peelin a nice, square piece of birch bark off a tree. |
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| Be careful not to poke any holes. |
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| I roll it into a cone and secure it with a single constrictor knot. |
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I place one large and several small pebbles at the bottom to prevent everything falling out.
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Add sand or very small pebbles, you don't have to add a lot as the sand
mostly serves to...
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...keep thecharcoal from running out together with the water.
I pulverize it conveniently inside of the cone with a stick.
The charcoal with take care of most toxins and germs.
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| More sand. This time for particle filtration |
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| I have a lot of leftover charcoal, so I add more just for the hell of it. |
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| A nice clean pond.... |
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| ...and the fun starts. |
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| Looks good! |
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| And we have clean drinking water! |
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