While in Papua New Guinea, I used the bottles to filter water into a water bladder for my back pack, though the hard plastic made that hard work and developed some good strong forearm muscles. I used to take purifying tables but, not any more.
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While in Papua New Guinea, I used the bottles to filter water into a water bladder for my back pack, though the hard plastic made that hard work and developed some good strong forearm muscles. I used to take purifying tables but, not any more.