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Giardia treatment?

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Re: Giardia treatment?

Postby quentinc » Wed Mar 21, 2012 1:01 am

Does it leave a chlorine taste in the water?



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Re: Giardia treatment?

Postby Jimr » Wed Mar 21, 2012 9:49 am

The best you'll get is what WD described as "flat". I think that is the best taste you'll get from any chemical treatment in the field. If you are seriously considering CL02, then test it by treating a quart of refrigerator cold, distilled or reverse osmosis treated water for 30 min, then smelling and tasting. Using pure or near pure water will give you the highest free chlorine residual for a given period/temp and give you an idea of the what the worst taste is likely to be.
What?!
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Re: Giardia treatment?

Postby markskor » Wed Mar 21, 2012 9:51 am

quentinc wrote:Does it leave a chlorine taste in the water?

yes...IMHO yucky
Mountainman who swims with trout
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Re: Giardia treatment?

Postby quentinc » Wed Mar 21, 2012 10:15 am

I wonder if Vitamin C would improve the taste, like it does with iodine. Even if it doesn't chemically neutralize the chlorine, it imparts a slightly sweet taste and it's acidic. So I'll test it out if I go the chlorine diox route.
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Re: Giardia treatment?

Postby maverick » Wed Mar 21, 2012 5:57 pm

Why not use the Steripen. It kills everything, takes 90 sec to purify 32 oz of water.
A set of 4 Lithium Batteries gives you 140 cycles, so you can get a few trips out of
it, and weighs next to nothing, especially compare to a water filter (pump), which
takes a lot longer, and can clog up. Chemical treatment takes to long, and doesn't
taste to great, though Vit C or Lemonade Mix does help.
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Re: Giardia treatment?

Postby cmon4day » Wed Mar 21, 2012 7:45 pm

Am I missing something. No one filters their water?
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Re: Giardia treatment?

Postby AlmostThere » Wed Mar 21, 2012 8:01 pm

Lots of people don't. I don't pretend to be an expert on water sources, nor do I feel like discovering the hard way that I am in the 50% of the population who WILL show symptoms of Giardia once infected. So I always do. I take some Micropur tablets as a backup to the filter. If I run out and the filter's broken, I would then just drink the water from wherever, because I'd rather be home getting treatment for something nine days later than wandering the wilderness so dehydrated I can't make rational decisions. (Been there, don't recommend it to anyone.)
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Re: Giardia treatment?

Postby gdurkee » Wed Mar 21, 2012 8:53 pm

You also have to consider whether you were infected by the water. There's at least one Sierra study suggesting infection occurs by poor camp hygiene -- aka fecal contamination. This is certainly the route of transmission in day care centers.

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Re: Giardia treatment?

Postby oldranger » Wed Mar 21, 2012 10:05 pm

George,

Isn't that what hand sanitizer is for?

Mike
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Re: Giardia treatment?

Postby maverick » Thu Mar 22, 2012 1:03 am

Mike,

Surprise, surprise. Those who got used to using only hand sanitizers, instead of soap
and water, are in for a shocking surprise.
This following article points out categories of viruses and bacteria that are not susceptible
to alcohol-based hand gel, including Giardia. Only good old soap and water will remove
the spores.
http://safetysavvy.blogspot.com/2008/03 ... -kill.html
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Re: Giardia treatment?

Postby freestone » Thu Mar 22, 2012 6:10 am

Am I missing something. No one filters their water?


That would be me. I believe hand washing is far more important. If there is any doubt (I hardly ever go where there is) I boil.

I work with a microbiologist. Her take is there are lots of things in water that will make you sick, you have to be susceptible and the concentration sufficient. Giarda spores sink to the bottom so drink from the top, preferably large lakes where solar action also has an opportunity to sterilize.
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Re: Giardia treatment?

Postby balzaccom » Thu Mar 22, 2012 7:58 am

My father-in-law is a physician, and we filter just about all our water in the Sierra. I've had Giardia froma white water rafting trip where I inhaled a ton of water...and i don"r want to repeat that experience.
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