When you’re on the go, you can build your own water filter to make water drinkable. All you need is some natural material. We show how to do it.

A homemade water filter only works as well as you build it. Note that it may not filter out all solids and toxins. However, if you are out and regarding or in nature, it is a good solution for making water from unknown sources such as lakes or standing waters drinkable.

Build your own water filter

  1. Take a container, for example an empty one plastic bottle.
  2. Cut off the bottom and keep it later as a container for the filtered water.
  3. Place the bottle upside down with the locked lid down.
  4. Now fill in at least the following layers in this order: fabric, sand, coal, fabric.
  5. For example, you can produce coal with a campfire. If you can’t find sand, use small stones like pebbles.
  6. Stuff the layers neatly. The water should take a long time to flow through. This is the only way to properly filter it.
  7. Make a small hole in the screw cap for the filtered water to drip down.
  8. Slowly pour the water into the water filter.
  9. Use a container that is as clean as possible to collect the filtered water.
  10. To be on the safe side, you should boil the water that has been cleaned in this way.
  11. Then you have produced relatively clean drinking water.
A homemade water filter. (Image source: GIGA)
A homemade water filter. (Image source: GIGA)

We show you here how you can purify water:

How does the homemade water filter work?

If you pour water through the self-made filter from top to bottom, coarse impurities will be removed first Fabric held back. After that, the water through the Sand further cleaned. the Money cleans the water from drug residues, heavy metals, pesticides and microplastics, among other things. Of the Fabric holds back coarse contaminants. How effective your water filter is depends on the materials used and your skills.

The YouTube channel “Nature, Bushcraft and Cooking” shows in this video from minute 5 how you can build a water filter yourself with a plastic bottle:

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