how to clean untreated water
By uroojbano, Updated
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we can make a simple water filter at home
take a two litre plastic bottle and cut the bottle from the bottom with your parent's help
3. Then put layers of charcoal, gravel, sand and pebbles in the bottle and put some cotton wool on the mouth of the bottle and tie the mouth with muslin cloth. Pour some water in the filter and the water will come clean.
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