Sustainable drinking water purification method

[cinnaminnacat]

Since lower puna could be cutoff from easy sources of safe drinking water for some time, here is a simple way to make safe drinking water from next to nothing:

http://www.sodis.ch/methode/index_EN

Straining it through a readonably clean sari-type cloth, improves the process.

Sari + sodis + sunlight = safe drinking water.