[pct-l] SODIS - Solar Water Disinfection

[Diane Soini of Santa Barbara Hikes]

Why carry it? Let nature do it for you. Skim water off the surface of  
a lake. Lots of people do it that way. Well, the less paranoid among  
us do anyway.

On Mar 13, 2012, at 10:00 AM, pct-l-request at backcountry.net wrote:
> Does anyone have experience with solar water disinfection - SODIS?
> Water should be exposed for 6 hours in PET bottles at sunlight -  
> UVA - which
> has the same effect as Steripen, only cheaper and no batteries.
>
> I think that it is maybe not very practical to carry water for 6  
> hours on
> top of the backpack, horizontally, but I am interested anyway if  
> someone
> tried this method, maybe as backup?