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Review: Water purification methods- Filter vs. UV vs. Tablets

Background

I’ve just returned from my 2 week trek to Everest Base Camp, which took me from Kathmandu, Lukla, Phakding, Namche Bazaar, Periche, Dingboche, Lobuche, Gorak Shep and a whole host of small villages in the Himalayas on the way back.

Across the entire journey (including Kathmandu), every guide book and travel advice centre highly recommends that any water consumed (unless it is bottled) be treated.  Whilst bottled water can be purchased along the trail, it can get very expensive as all these bottles need to be carried up on the backs of porters or animals (yaks, donkeys, or half yak/cow hybrids).  The empty bottles also pose a significant environmental problem as there is no immediate way to recycle such bottles in the mountains, nor any organised method to transfer the waste back to a place to be recycled.  Due to these reasons, trekkers are highly encouraged to take water from local sources, treat then consume. Continue reading Review: Water purification methods- Filter vs. UV vs. Tablets