Professor's DIY Filter Clears Toxic Metals From 100 Litres of Water For Just Rs 1AssamBy Himanshu Nitnaware06 Aug 2021 19:56 ISTDr Robin Dutta, a professor at Tezpur University in Assam, conceived a low-cost DIY water filter that uses baking soda, Potassium Permanganate and Ferric Chloride to clean waterRead More
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