Changes

Charcoal filter / Activated carbon

124 bytes added, 03:55, 10 July 2012

→‎Acknowledgements

==Acknowledgements==

* [http://www.who.int/water_sanitation_health/hygiene/envsan/tn05/en/index.html Emergency treatment of drinking water at point-of-use.] WHO.

* [http://www.filtersfast.com/articles/Guide-to-Water-Purification.php A Simple Guide to Water Filtration.] Filtersfast.com

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