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#300050 - 09/20/21 07:36 PM Favorite water filter & purification...
teacher Offline
Old Hand

Registered: 12/14/05
Posts: 988
Where is your favorite water purification or filter?
I'm looking for new options...

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#300052 - 09/20/21 10:30 PM Re: Favorite water filter & purification... [Re: teacher]
jshannon Offline
Addict

Registered: 02/02/03
Posts: 623
Loc: North Texas
For backpacking I am currently using a sawyer mini plus katadyn micropur tabs for backup. Most who use sawyer filters prefer the sawyer squeeze..little larger and more flow.


Edited by jshannon (09/20/21 10:31 PM)

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#300056 - 09/21/21 06:28 AM Re: Favorite water filter & purification... [Re: teacher]
Herman30 Offline
Addict

Registered: 08/08/06
Posts: 458
Loc: Finland
Canīt say it is my favorite `cause I have only one. Grayl Geopress.

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#300059 - 09/21/21 04:30 PM Re: Favorite water filter & purification... [Re: teacher]
Burncycle Offline
Addict

Registered: 09/16/04
Posts: 576
I usually EDC a Whirl pak bag and chlorine dioxide based water purification tablets in wazoo cache belt. If I'm deliberately going outdoors I'll usually throw a folded up 1L Evernew and same tablets in cargo pocket among some other items in case I get separated from my bag (on the boat I'm often not wearing it)


My bag will have the full gamut (metal container, water filter, extra evernew bottles, purification tablets, hydration bladder etc). Still using a sawyer mini but might look into Katadyn Befree and CNOC bladder next time as they apparently have a much better flow rate, but it also has a non standard thread and a larger stored diameter. It should be noted that I'm not a thru-hiker and I don't use the filter regularly, it's more of an emergency item. If it was an every day thing I may prioritize flow rate over compactness


Edited by Burncycle (09/21/21 04:35 PM)

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#300064 - 09/23/21 03:21 AM Re: Favorite water filter & purification... [Re: teacher]
groo Offline
Old Hand

Registered: 11/02/03
Posts: 740
Loc: Florida
I really like The Grayl.

https://grayl.com/

Removes virus as well as bacteria. Little pricey per gallon, but foolproof.

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#300066 - 09/23/21 11:57 AM Re: Favorite water filter & purification... [Re: teacher]
Ren Offline
Addict

Registered: 11/05/07
Posts: 446
Loc: Wales, UK
Don't understand why they didn't make the outer cup thing metal.

Same with other bottle style filters. Like Aquamira's is stainless steel bottle, but double walled *facepalm*.

You'd have thought being able to boil water in a pinch if the filter dies/freezes/breaks would be a good selling point.

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#300067 - 09/23/21 02:44 PM Re: Favorite water filter & purification... [Re: teacher]
chaosmagnet Offline
Sheriff
Carpal Tunnel

Registered: 12/03/09
Posts: 3691
Loc: USA
I've never owned one, but one thing I like about Grayl is the claimed removal of some chemicals and heavy metals. I carry the Sawyer mini in my kits, and it doesn't claim to do that.

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#300069 - 09/24/21 04:12 AM Re: Favorite water filter & purification... [Re: chaosmagnet]
teacher Offline
Old Hand

Registered: 12/14/05
Posts: 988
Yes, I'm learning about the differences in filter capabilities - some filers, others purify and only a few handle nasties like heavy metals..

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#300071 - 09/24/21 06:26 PM Re: Favorite water filter & purification... [Re: Ren]
Burncycle Offline
Addict

Registered: 09/16/04
Posts: 576
Originally Posted By: Ren
Don't understand why they didn't make the outer cup thing metal.


They had one made out of stainless, but it appears to be discontinued and I'm not sure why. At least you could use it to boil water if the filter broke. May be a niche in the market for a stainless steel cup that fits on the bottom of the bottle.


It's cool that the grayl is supposed to filter viruses, but I'm hesitant - not just because of it's low volume to size ratio, but because it's plastic and you're expected to lean your weight on it to filter the water. Several reviewers on amazon have complained about it breaking. It would be prudent to have a backup way to make water safe if one decides to use it.

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#300072 - 09/24/21 10:15 PM Re: Favorite water filter & purification... [Re: Burncycle]
Ren Offline
Addict

Registered: 11/05/07
Posts: 446
Loc: Wales, UK
Ah wasn't aware of the stainless one. Managed to find an article and pictures.

https://soldiersystems.net/2015/04/30/grayl-water-filtration-cup/

Seems they still added a plastic bottom to the outer cup. Though is removable apparently judging from a comment.

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