Things You Will Need
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Remove the papery wings and pods from the white moringa seeds. Discard any discolored seeds.
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Grind the seeds into a powder using a mortar and pestle, or use the back of a spoon and crush seeds in a tea cup. You will need approximately two rounded soda bottle tops of ground seeds to clean approximately 5 gallons of fairly dirty water. The dirtier the water, the more seed powder required.
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Add a small amount of clean water to the seed powder to make a paste. Put the paste into a clean 2-liter soda bottle. Add one cup of clean water and shake the bottle for five minutes. This activates the seeds.
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Filter the contents of the soda bottle through a cotton cloth and into a 5-gallon bucket containing dirty water and stir rapidly for two minutes with a wooden spoon. Continue stirring more slowly for an additional 15 minutes.
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Stop stirring and allow the contents of the bucket to settle for one hour. At the end of an hour the water should look almost completely clear.
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Carefully pour the 5-gallons of now-clean water through a new, clean cotton cloth and into another container. Be careful not to disturb the sediment at the bottom of the first 5-gallon bucket, pouring off only the clean water.
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Boil the clean water as an added precaution, because moringa seeds may not kill all the bacteria in the water.