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Water is critical and there is really no monopoly on it. If you are harvesting rainwater, if you are storing water and maybe even sourcing it from a well or local source, you got it!
You might look at your water filters and wonder, “What happens if my filters all run out?”
Its a serious question but you also have to remember that water filters are just more efficient uses and forms of natural materials. One of the most commonly used materials in water filters is charcoal. Activated charcoal is very absorbent.
DIY Water Filter Components
You are going to need a source of charcoal so dont go burning up all your wood on the fire. Charcoal can be made in an oven or you can cover small chunks of wood with a mud dome and build a fire over that dome. The heat from the fire will harden the mud and turn the wood inside to charcoal.
You will also want access to some sand. Sand is a great medium to filter water through. In fact, slow drip filtering using only sand is pretty effective, too! That doesn’t require any charcoal.
If you are not familiar with this method you can go the biofilter route and use things like rocks, grass, pebbles sand and charcoal to filter water.
No matter how good your filter is, be sure you boil that water. I know it might seem like a waste of time. However, when you are doubled over in pain from cryptosporidium. That could be the reality if you are not careful. So do yourself a favor and boil!