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Clean water

(2 Posts)
Elegran Mon 17-Aug-15 09:52:39

Bug-killing book pages clean murky drinking water effectively on first field trials.

plus links from "More on this story" on that page to other innovative ways of filtering water, or getting water in unusual ways:-

and on from one of them to:-

Sorry about all the links to follow.

crun Mon 17-Aug-15 15:15:16

On the subject of books and drinking water, this is an excellent read for anyone interested in the history of waterborne disease.