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Joey
verrry senior member



Joined: 05 Jun 2005
Posts: 2197 | TRs
Location: Redmond
Joey
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verrry senior member
PostSun Dec 08, 2019 3:42 pm 
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https://www.lifestraw.com/

25% off everything
30% off over $50
free ship over $35.

I bought 2 straw+bottle to stash in the car
Also got the family unit

Hope we never need them
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Cyclopath
Faster than light



Joined: 20 Mar 2012
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Location: Seattle
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Faster than light
PostSun Dec 08, 2019 5:43 pm 
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Double check whether freezing will destroy the filter if you're going to keep it in the car.   wink.gif
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InFlight
coated in DEET



Joined: 20 May 2015
Posts: 619 | TRs
Location: Seattle area
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coated in DEET
PostSun Dec 08, 2019 10:08 pm 
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Cyclopath wrote:
Double check whether freezing will destroy the filter if you're going to keep it in the car.   wink.gif

These and other hollow fiber type filters can be frozen if they are moisture free  (Unused or dried very thoroughly). 

Its the property that water expands when frozen that destroys the hollow fibers. If your hiking where it could freeze overnight you need to protect your filter. 

For winter camping, chemical treatment is a better option.

--------------
I went to the woods because I wished to live deliberately...  ― Henry David Thoreau
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Joey
verrry senior member



Joined: 05 Jun 2005
Posts: 2197 | TRs
Location: Redmond
Joey
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verrry senior member
PostMon Dec 09, 2019 5:21 am 
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Thanks for the freezing tip.

The 2 units that will live in our car are strictly for emergency use.  And it will sometimes freeze in our unheated detached garage.  So if we ever have to use these then we need to store them in the house in the winter until it warms up enough in the spring that we venture into the hills again.
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InFlight
coated in DEET



Joined: 20 May 2015
Posts: 619 | TRs
Location: Seattle area
InFlight
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coated in DEET
PostMon Dec 09, 2019 9:04 am 
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After a trip I back flush them thoroughly, and let dry upright inside the house for several days.  I than use compressed air to gently blow them completely dry. 

I uses the lower pressure air from an auto-tire inflator without forming a seal. An air mattress inflator would also work very well.   The regular type air compressor has too much pressure.   I would caution against using any compressed air cans (electronic cleaner), most have some bitterant that might make for some funky tasting water for a while.

--------------
I went to the woods because I wished to live deliberately...  ― Henry David Thoreau
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