Outdoor adventures are exciting, but safe drinking water can be a challenge. You need a reliable solution to stay hydrated and healthy on your trips. The MSR Guardian Gravity Water Purifier might be just what you're looking for.

This leading gravity purifier claims to make water from almost any source safe to drink. It's designed for backcountry use, global travel, and even emergencies. Let's take a closer look at what it offers.

The Guardian Gravity uses a two-stage system to clean water. It gets rid of nasty stuff like viruses, bacteria, and protozoa. It also removes sediment, microplastics, and other contaminants, reducing unpleasant tastes and smells.

As a bonus, it helps reduce chemicals that might be present in the water. As a bonus, it helps reduce chemicals that might be present in the water, making it an effective treatment device for outdoor and emergencies.

Using this water filter seems pretty simple. You hang up the 10-liter bag at the optimal reservoir hang height, and let gravity do the work. In about 2 minutes, you can have one liter of clean, purified water ready to drink.

Bottom Line

If you're a frequent camper or traveler who needs safe water on the go, the MSR Guardian Gravity Water Purifier is worth checking out. Its ease of use and effectiveness make it a solid choice for outdoor adventures, especially in challenging wilderness water sources.

When you first get your hands on the Guardian, you'll notice the compact system fits easily into smaller packs. As you open it up, you're greeted by a neatly packed system.

Inside, you'll find the purifier unit, a 10-liter reservoir, purge hose flushes, and all the necessary hoses. The universal bottle adapter is a nice touch, letting you fill up different containers easily, including a Nalgene bottle.

The carry case is a handy addition, keeping everything tidy and protected. As you lay out all the parts, you'll be struck by how lightweight and portable the whole system is.

It's clear this purifier is built for adventure, with military-grade construction, ready to tag along on your next outdoor trip or serve as a backup for emergencies at home.

This gravity-powered purifier brings clean water to your outdoor adventures with ease. Let's dive into what makes it stand out.

You'll appreciate how simple this system is to use. Just hang the 10-liter reservoir about 6 feet up, and you'll have a liter of clean water in around 2 minutes. The setup comes with everything you need, including hoses to purge air from the system, ensuring a steady flow:

• Two-stage purifier

• 10L reservoir

• Universal bottle adapter

• Hoses

• Zippered carry case

This gravity filter doesn't mess around when it comes to clean water. It uses advanced hollow-fiber tech to get rid of 99.99% of viruses, 99.9999% of bacteria, and 99.9% of protozoa, making it a superior choice for those looking for virus removal.

MSR claims that the purifier meets the most rigorous scientific certification, including the NSF protocol P248 military testing standard, originally designed for military and emergency use.

You don't need to be a tech whiz to use this purifier. It's gravity-powered, so there's no pumping or batteries to worry about. The flow rates are impressive, delivering high flow at about 0.5 liters per minute, meaning you can quickly fill water bottles for multiple people or large groups.

Occasional backflushing is required to maintain flow rate, but this ensures it remains effective over long-term use.

This purifier is made for life on the trail and in developing nations alike. The device is built for long-term use, covering daily water needs up to 3000 liters. Its compact size also means it fits into carry-on luggage, making it travel-friendly. Here's what you need to know about its size:

• Measures 12.5 x 4 inches when in use

• Packs down to 8.2 x 4.7 inches

• Weighs just 18.7 ounces (about 1.17 pounds)

That's light enough to bring on backpacking trips without weighing you down too much.

The purifier is built to last, with a lifetime capacity of up to 3000 liters. It's made in the USA, which might give you extra peace of mind about its quality.

One thing to keep in mind: you need to store it moist to keep those tiny 0.2-micron holes from sticking shut. This might be a bit of a pain, but it's part of what makes it so good at cleaning water.

Getting clean water in the backcountry is a breeze with this gravity purifier. You'll find the setup quick and straightforward, with backflushing required occasionally to maintain the flow rate.

The system works fast, giving you a liter of pure water in about 2 minutes when hung 6 feet up. It's user-friendly, with no pumping needed.

You'll appreciate how easy it is to fill the reservoir and let gravity do the work. The universal bottle adapter is handy for filling different containers.

While it's simple to use, remember to keep the filter moist for storage. This might take a bit of extra care, but it's worth it for the clean, great-tasting water you'll enjoy on your adventures.

The Guardian Gravity Purifier shines when it comes to clean water. You'll be impressed by how quickly it can fill up a 10-liter container. At 0.5 liters per minute, you won't have to wait long for safe drinking water.

The hollow fiber membrane and activated carbon work together to remove harmful stuff from your water source. Users say the water tastes great after going through this filter.

It's effective against nasty bugs that can make you sick. You'll feel confident drinking from streams and lakes with this purifier.

The gravity-powered system means you don't have to pump by hand. Just hang it up and let gravity do the work while you set up camp or relax. It's a handy tool for group trips or emergency prep.

Let's weigh the good and not-so-good aspects of this water purifier to help you decide if it's right for your outdoor adventures.

• Cleans water fast, giving you up to 1 liter in just 2 minutes

• Gets rid of almost all nasty stuff like viruses, bacteria, and protozoa

• Makes water taste better by removing chemicals and bad odors

• Easy to use - just hang it up and let gravity do the work

• Big 10-liter bag means you can clean lots of water at once

• Comes with everything you need, including a carry case

• Pricey compared to some other water filters

• Needs to be stored wet, which might be a bit of a hassle

• Some users say the purge hose feels a bit flimsy

• At 18.7 ounces, it's not the lightest option for backpacking

• Cleaning it properly for storage can take some time

When looking at gravity filters,, the Guardian Gravity purifier stands out from the crowd. Unlike some popular alternatives like the Katadyn Gravity Camp 6L or Platypus GravityWorks, the Guardian Gravity removes viruses in addition to bacteria and protozoa.

The next leading gravity purifier typically focuses on bacteria, but the Guardian goes a step further by tackling virus removal.

While the Guardian Gravity is pricier than some options, its long-lasting filter and ability to handle really dirty water may save you money over time. The Sawyer Squeeze is much cheaper, but you'll need to backflush it more often.

One downside of the Guardian Gravity is that you need to keep it wet for storage. Some other filters can be stored dry, which is easier. But this wet storage helps keep the Guardian's tiny pores working well.

The Guardian Gravity is a game-changer for outdoor enthusiasts. You'll love how it can produce large amounts of clean water without effort. Its impressive filtration technology removes tiny particles, giving you peace of mind.

While it's a bit pricey and needs careful maintenance, the benefits outweigh these minor drawbacks. The filter's performance shines on group trips, making it perfect for family camping or backpacking with friends.

If you're a hiker, camper, or prepper who values safe drinking water, this purifier is worth considering. It's lightweight, easy to use, and delivers great-tasting water. Just remember to follow the storage instructions to keep it working well for your future adventures.

Thinking about investing in this advanced water purification system? Let's address some common questions to help you decide if it's right for your outdoor adventures or emergency preparedness needs.