Water filters, urine, and beer

Luis Villa louie@ximian.com
12 Apr 2002 07:23:48 -0400


Is there a link to the model somewhere, Dan?
Luis [going to Niger in August]

On Fri, 2002-04-12 at 02:01, Dan Kohn wrote:
> [* Sent to MSR customer service  - dan *]
> 
> I suspect this will be your strange question of the day:
> 
> I've been a fan of MSR and used the MiniWorks extensively when hiking in
> Namibia last month to filter quite dirty water, with sparkling,
> tasteless water being created every time.
> 
> My new Waterworks II just arrived today from REI, and as a test, I tried
> it on two rather unusual substances: beer and urine.  Disappointingly,
> in both cases, the result was clearly not pure water (it looked and
> smelled like diluted urine and then like sudsy, diluted beer).
> 
> Could you please explain to me why this "science experiment" didn't
> work, and yet the WaterWorks is presumably able to filter much smaller
> particles to eliminate dangerous organisms.
> 
> And don't worry, I cleaned the filter extensively before packing it away
> for my next trip.
> 
> Sincerely,
> 
> Dan Kohn
> dan@dankohn.com
> 650-327-2600
> 
>           - dan
> --
> Dan Kohn <mailto:dan@dankohn.com>
> <http://www.dankohn.com/>  <tel:+1-650-327-2600>
> Essays announced on <mailto:dankohn-subscribe@yahoogroups.com>
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