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The real water treatment deal
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Jun 13, 2011 at 5:33 pm #1748762
Interesting point.
Jun 13, 2011 at 5:35 pm #1748765"Food goes in and p00p goes out and thats about it"
Wait, are you saying those two things are related?
Doh! But of course! How did I miss that one!
Jun 13, 2011 at 5:59 pm #1748777All this talk about filters and chemicals. UV is the only practical method as it takes care of all the baddies. Boiling is also good, but time consuming.
Of course you must pre-filter if the water is turbid when using UV, but who is not going to do that anyway. If you don't pre-filter turbid water, you plug up your pump filter. If you don't filter before using chemicals, you slow the process and also the water will be yucky to drink.
Jun 13, 2011 at 6:09 pm #1748781While looking around I read a few things about UV water treatment that I did not know.
Talking handheld UV, not commercial.
It shuts down the organisms reproductive system but does not kill the bug.
No big deal if it cant reproduce in your system you pass it and its done.Giardia and Cryptosporidium is easier to disable than Bacteria.
Also stated that if the treated water is left in the light that the organisms reproductive systems can regenerate and turn back on, which makes no sense to me, but so be it. Said to keep your UV treated water in the dark or in a lightproof container.
Still think its safest to filter to .1 then UV or chem the viruses.
Jun 13, 2011 at 6:13 pm #1748785"Also stated that if the treated water is left in the light that the organisms reproductive systems can regenerate and turn back on, which makes no sense to me, but so be it. Said to keep your UV treated water in the dark or in a lightproof container."
Wow, if this is true then I've either been really lucky or didn't really need to treat the water, because I never do this. Where did you read that Troy?
Jun 13, 2011 at 6:19 pm #1748787Yes, a biological fact. UV light makes it impossible for organisms to reproduce, but visible light can help repair and stimulate life in damaged cells.
So yes, keep your treated water in your pack, or at least in the shade.
Jun 13, 2011 at 6:23 pm #1748791I doubt its going to be an issue unless you store it for a good while.
Dont know what the timeframe is for regeneration.No wonder cavemen life expectancy was 20.
Its a Wiki article but its got some interesting info in it.Jun 13, 2011 at 6:52 pm #1748803AnonymousInactive"God just look at the condition of the Ganges river and people bath in it every day"
They bathe in the only water available to them, but at least they have the good sense to not eat with the hand they clean their butts with. Which is apparently more than we can say for many backpackers.
Jun 13, 2011 at 7:07 pm #1748814My favorite article EVER on BPL!
Sipping the Waters: Techniques for Selecting Untreated Backcountry Water for Drinking
by Michael von Gortler, MD | 2006-Sept
Jun 13, 2011 at 7:33 pm #1748827Thank you for that link Mike, never saw that article back in the day.
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