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Dehydration will kill you before Giardia or cholera does. So, I'd first take a measure of where I am, do I absolutely need to drink the water is question, or is there any other better (safer, need ...
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Dehydration will kill you before Giardia or cholera does. So, I'd first take a measure of where I am, do I absolutely need to drink the water is question, or is there any other better (safer, need ...