Make A Water Filter Out Of Charcoal And Sand

This will be the final barrier before the water comes out clean.

Make a water filter out of charcoal and sand.

With the cap still on the water bottle take your knife and twist a small hole in the cap about an inch in diameter. Take your cotton ball and push it tightly against the cap. If the water runs rather than drips through the filter you will need to pack your charcoal tighter. Rinse the gravel sand and charcoal to remove unwanted dirt and silt from the materials before they are packed in the container.

This is the bottle that will become your charcoal and sand filter. A diffuser plate which acts like a strainer should be set an inch or two above the top layer of sand allowing room for the water to sit after you pour it into the bucket. You should have enough crushed charcoal to fill your cylinder up about halfway. To create a slow water filter diy using sand you need a bucket with a layer of gravel at the bottom an equal amount of coarse sand above it and a large amount of fine sand on top.

It is a good idea to place a couple of inches of packed down grass or sand or another piece of cloth on top of the charcoal to prevent it from becoming displaced when you add your water. Fill the bottom third of the bottle with activated charcoal the middle third with sand and the top third with gravel. To use the filter pour water into the bottle and let it drip through the hole in the cap.