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Hydration Reservoirs

The best hydration reservoirs, reviewed and curated by the Trailspace community. The latest review was added on July 8, 2020. Stores' prices and availability are updated daily.

Recent Hydration Reservoir Reviews

rated 5 of 5 stars
Cnoc Outdoors Vecto

A tough little reservoir that should last me for years to come. Just got back from eight days backpacking the Collegiate Peaks Wilderness Area. Used the Cnoc water bladder (2 liter) as my dirty bag with a gravity filter. Unlike my garbage Platypus system, the Cnoc is constructed light, was easy to fill, and the fold and slider system was easy to open and close. It matched up perfectly to my full size Sawyer filter. Even when filled to full capacity, the bladder never leaked top or bottom. When filling… Full review

rated 0.5 of 5 stars
MSR Dromedary Bags

Water from 6-liter bags, brand new, completely undrinkable due to extreme chemical taste. Tried rinsing but still terrible. Very disappointed as needed for upcoming trip. Purchased two six-litre dromedaries for kayak tours. New product which I filled and took a sip from. Spit the foul tasting water back out. Thinking OK, stupid not to have rinsed first. So rinsed multiple times. Still terrible, undrinkable chemical water. It was filled from tap, city water. Knowing MSR usually makes a good product… Full review

rated 4 of 5 stars
Platypus Big Zip EVO

The Platypus Big Zip EVO is a nicely designed bladder that has some unique features, including a quick disconnect on the drinking tube so the bladder can be removed from your hydration sleeve without the hassle of removing your drinking tube. The Platypus Big Zip EVO also features a large diameter drinking tube and HyFLO self-sealing bite valve that together provide a high flow leak free experience. When paired with an MSR Thru-Link filter the Platypus Big Zip EVO allows for a fast scoop-and-go… Full review

rated 4.5 of 5 stars
Hydrapak Shape-Shift 3L

No hydration system lasts forever, and after one of our older ones sprung a leak (family hikes = multiple hydration systems), we tried the HydraPak Shape-Shift because we were impressed by its light weight and affordable price. And it offers more—a great bite valve, an interesting and effective top opening, and an internal baffle that opens to make this the easiest-to-clean hydration reservoir I have ever used. Nothing but happy with this one. INTRODUCTION   I have started to realize that I’m… Full review

rated 4.5 of 5 stars
MSR Dromedary Bags

OK, so I have had two of these bags now for over 20 years with heavy use and long-term storage and they still work!! No leaks just lost tops. Bought two 1-liter bags back in the '90s which saw heavy use during the first couple of years and then many years of storage. Most recently they were used on a month-long bike tour and amazingly still had no leaks even after a couple of crashes. If you want a water container that can do it all and come out the other side this is for you...not the lightest… Full review

rated 5 of 5 stars
MSR Dromedary Bags

Versatile water bladder with a great cap design. I have an older version of their medium (6l) bag. Very tough construction, this bag has seen 30 years of hard use and has not failed. I like the 3-in-1 cap design very much; the larger thread is the same as a Nalgene, with a smaller threaded cap and integrated, flip out pour spout. It fits my filter, allows me to meter pours, and will provide a small stream for rinsing utensils. I hang it from a tree and use this as a versatile way to dispense camp… Full review

rated 5 of 5 stars
Evernew Water Carry

Looking for a quality, ultralight water carrying system that will go the distance? Evernew's 2.0 liter Water Carry hydration pack (EBY208) is made for weight-conscious hikers who desire a soft bottle option for transporting water. Lightweight and compatible with the Sawyer filtration system, it is a great choice for footing it through the backcountry. The Evernew EBY208 (the largest of Evernew’s three soft bottle options) is a lightweight, flexible water storage container. Also known as a soft… Full review

rated 4 of 5 stars
Evernew Water Carry

This is a review of the 2 Liter Evernew Water Carry reservoir (EBY208) but also of my gravity filtering system, incorporating a Sawyer Squeeze filter, a Sawyer Blue Coupling, plastic water bottles, and some lightweight line. A key feature of the Evernew Water Reservoir is that the threads are compatible with Sawyer filters. I have also found it to be far more durable than the stock Sawyer reservoirs. This setup is a simple, effective, reliable, inexpensive, lightweight, and hands-free way of filtering… Full review

rated 0.5 of 5 stars
Cnoc Outdoors Vecto

Great idea, very poor execution. First, getting the slider off the bag is ridiculously hard. I have to push the slider against a door jamb and try to slip the bag out of the slider. Try that when you're in the back country. Second, screwing the filter onto the bag is, again, ridiculously hard. The threads on the bag are too small and/or soft to make the process easy. If the white gasket on the filter is the least bit off kilter, the connection doesn't work. I had such high hopes and was sorely disappointed. Full review