Lightweight water systems in 2025

Dave0317

WKR
Joined
Mar 22, 2017
Messages
540
Location
North MS
Been looking at changing up my water routine.

Last actual backpack hunt I did I carried a Platypus Gravityworks with a 2L dirty bag and a 2L clean bag. And also a 1L nalgene, and a small 16 ounce nalgene for coffee/electrolyte mixes. Way too much stuff and weight. I think about 21 ounces worth of containers and filter. I usually used less than 4L all day. That includes cooking, coffee, hydration, and maybe even a few ounces to rinse flavored drinks out of the small nalgene. So I think as little as a 2L capacity would be fine, making one stop to refill/filter at mid day.

Looking at the thread on ditching the Nalgene got me thinking about alternatives. But I love my Nalgene. And, for 1st rifle and later, I think the advantages are worth the weight.

So, here is what I’m thinking. 1L Nalgene, plus 2L Platypus, and carry only katadyn MP1 tablets for purification. Total weight comes to maybe just under 9 ounces and has all the advantages of including a Nalgene.

For archery season I’d be willing to try a bladder only, but for freezing overnights, I think this has some advantages.

Like being able to hold boiling water, doesn’t hold flavors from electrolyte drinks or coffee, and beats some of the freezing issues compared to bladders and small mouth bottles of any kind.
Also has the advantage of plenty of capacity, partly in a lightweight and high volume container, and a portion in a much tougher container.
Carrying the water tablets only saves weight and solves the potential problem of a filter being damaged by the freezing temps. Clear flowing water is not too hard to find where I hunt.


I know there is a million ways to skin this cat, so what are some of y’all’s methods of balancing reliability, toughness, and light weight when it comes to your overall water systems/methods?
 
I’ve switched (most of the time) from an old Katadyn (actually Pur brand) hiker pump to a sawyer squeeze filter or a katadyn befree. The befree is the lightest, but seems to slow down faster. The Sawyer seems like it can handle tougher conditions a little better and it can be back flushed quite easily and effectively. I still bring the old pump when I know the water quality will be bad as it seems to handle the worst conditions the best. I do want to qualify the most of the water sources that I have available are not fresh mountain streams. Most are cattle tanks at best. Worst is poor quality stock dams or smaller stagnant ponds.

I am considering trying a cotton filter bag to get the big stuff out and then use either drops or tablets to disinfect. Just haven’t made the jump yet. Thanks. -Rufus
 
I like to be able to store larger volumes so I’ll typically have the lighter version of a Nalgene bottle and 3L soft hydropak seeker bag. I use the hydropak screw in filter and typically squeeze with an old 1L hydropak flux bottle/bag. I don’t carry 4L around. Personally I don’t like reservoirs but will use one in scouting and summer months. Sometimes when I know I’ll have a camp away from water I’ll take a 2L platty soft bottle to leave in camp and treat with tabs.

That’s just what I’ve come to after trying to lot of different methods, filters and systems. I always carry some tabs for backup to the filter.
 
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