Comments on: Biosand water filters for floating villages in Cambodia: safe water does not prevent recontamination

Comments on: Biosand water filters for floating villages in Cambodia: safe water does not prevent recontamination http://blogs.washplus.org/drinkingwaterupdates/2015/02/biosand-water-filters-for-floating-villages-in-cambodia-safe-water-does-not-prevent-recontamination/ from the WASHplus Project Tue, 22 Sep 2015 12:34:42 +0000 hourly 1 http://wordpress.org/?v=3.1.4