2
edits
Changes
Adding alternative SODIS design.
=====Materials and facilities=====
* 1 or 2 litre clear plastic bottles (2 sets of 2 bottles per person, one set of bottles must be filled and placed on the roof each day, while the water in the other set is consumed)
* An alternative design using specially fabricated bags with a one-way valve integrating a temperature indicator has been proposed see YouTube video [http://www.youtube.com/watch?v=_k-SeaRj_QY]
* Accessible surface that receives full sunlight (e.g. roof, rack).
==Maintenance requirements==
* Bolivia [http://www.youtube.com/watch?v=DSBz8f87ohQ&feature=channel_page http://www.youtube.com/watch?v=DSBz8f87ohQ&feature=channel_page]
* Water Sch2ool [http://www.youtube.com/watch?v=jBsyH7aGUGg&feature=related http://www.youtube.com/watch?v=jBsyH7aGUGg&feature=related]
* Alternative design of a SODIS container [http://www.youtube.com/watch?v=_k-SeaRj_QY]
==External links==
