Clay pots containing filtration materials may be a cheap and effective way to remove dangerous levels of arsenic.
Clay pots containing filtration materials are a cheap and effective way to remove dangerous levels of arsenic commonly found in well water in Bangladesh, according to a new report.
The filtration system consists of three unglazed clay pots that can hold 15 liters of water, stacked one above the other. The top two pitchers contain filtering material consisting of sand, iron chips, brick nuggets and charcoal. The bottom pitcher collects the filtered water, which is then used for drinking and cooking.