There are many things that we need to think of when SHTF. The first and foremost is to find a water supply. Since the human body can only survive three days without water this part is imperative. Now since most of the world does not have a natural spring in the backyard chances are the water you are going to find will have all sorts of stuff in it that you will NOT want to drink. So you will need to look at a filtering process that you can create quickly.

This tutorial will show you how to recreate a Berkey type water filtration device. The approximate cost will be about $30-$40 with just a short build time.

While not the fastest filter you can create, this system claims to be able to purify up to 14 gallons a day which can easily sustain a few people for quite some time.

So keep reading and find out how you can make one of these long before it's ever needed.

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