Clean the sand by rinsing it in water and draining until the water that drains off is clear. Crush charcoal into small pieces. Activated charcoal works best, but ordinary wood charcoal will also work.
There are four methods you can do. Either you boil, distillation, chlorination, or filter. But if it is for drinking water, you can use three methods, boil, distillation, and filtration.
