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Q&A How to tell if water is likely to have cryptosporidium?

I often use CLO2 (for example this product) to treat drinking water when I’m backpacking and boiling is not convenient. The instructions for the product say that the dose should be tripled if the ...

1 answer  ·  posted 13y ago by Big General‭  ·  last activity 7y ago by System‭

Question water-purification drinking-water