Good observation but in general only the part used for drinking needs treatment. Options are boiling, chlorine or household water filters. There now are many good quality WHO tested water filters in the market like Nazava and Tulip filters. See also the website of CAWST at HWTS options.
Published by henk holtslag, Free lance - Advisor Low cost technologies
Good observation but in general only the part used for drinking needs treatment. Options are boiling, chlorine or household water filters. There now are many good quality WHO tested water filters in the market like Nazava and Tulip filters. See also the website of CAWST at HWTS options.