Water filter, cleaner, low-cost, homemade. This method is also known as super, 2 sand only material is carbon, graphite powder and sand. How to do is, remove the graphite put into the water with the sand drying with heat, 150° c approximately 2 hrs until the water evaporates out of the sand are coated with graphite after Super sand, you can leave the water running through the sand to the container in which water is flowing through the sand slowly acts mercury screening. The Commander of the heavy drinking water makes clear, clean and safe from germs.
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