Water Treatment

Category

Purifiers
Pump and Gravity Filters
Bottle and Inline Filters
Chemical Treatments
Filter Accessories

Brands

LifeStraw
Platypus
Katadyn
Sawyer
MSR
CamelBak
Aquamira
Grayl
Survivor Filter
First Need

Price

less than $25
$25 - $49.99
$50 - $99.99
$100 - $199.99
$200 - $299.99
$300 - $399.99
$500 and above

Recent Water Treatment Product Reviews

LifeStraw Mission Gravity Water Purifier

rated 1 of 5 stars The Lifestraw Mission gravity purifier is overall an OK performing filter, and I would probably trust it to adequately filter any water source not contaminated with chemical contaminants, radioactive material, etc. However, it is not without its flaws and quirks. Filter functionality alone, I would rate this filter 2 or 2 1/2 stars, but when its other flaws are taken into account it brings my rating of this filter down even lower. If someone asked me to describe the Lifestraw Mission in as few words… Full review

Platypus GravityWorks Filter System 4L

rated 5 of 5 stars Lazy Man's Water Tanker! In planning for a 4-day backpacking trip on the Ouachita Trail in Arkansas we noticed a 10-mile stretch with no water supply (with a mountain climb). Looking around this system seemed like it might be the ticket—4 liters, let gravity do the work instead of pumping. Needless to say the morning we hit the trailhead it was snowing with ambient temp of 15°F. The high that day was 22°F. I took the filter from the system and put it inside my shell to make sure it didn't get… Full review

Katadyn Combi

rated 5 of 5 stars Great device. I have a few Combis. Used one with mountain water in Auburn, California, and didn't have a problem.  In fact, the water tasted amazing. Full review

Sawyer PointOne Filter with Bucket Adapter

rated 5 of 5 stars A very adaptable filter for groups. My Katadyn cartridge filter would sometimes plug on long group trips and wouldn't backflush. This filter costs what a replacement Katadyn cartridge would cost. However, it back-flushes beautifully and has been used with a 10 liter water bag for group water on several trips and is still going strong. It is lighter and packs smaller than my old one. Full review

MSR Guardian Purifier

rated 5 of 5 stars Simply the best water filter in the world. I have used water filters for decades. My first one cracked when it froze. I have used two MSR MiniWorks with great results. It was great to be field repairable and field cleanable BUT filtering water was slow and required a lot of effort, usually at the end of a long hard day! Enter the MSR Guardian! Less than half the effort of the MiniWorks and at least twice the speed. For these two features alone this filter would be the winner but there is sooo much… Full review

Sawyer MINI Water Filter

rated 4 of 5 stars This is a very light water filter with adequate flow if you're focused on minimizing the base weight of your pack. I have been focused on getting the base weight of my pack down under 20 pounds and one of the changes I made was going from a pump type water filter to the Sawyer Mini water filter. In general I am happy with the Sawyer Mini in that it does the job and only weighs in at about 2 oz. The filter comes as a kit and includes a syringe for washing the filter using a back flow, a 16 oz squeeze… Full review

Sawyer MINI Water Filter

rated 5 of 5 stars Best water filter I've ever had! Lightweight, small, durable, easy to use, and best of all it's very affordable. This is the perfect water filter for 1-2 people who are weight/space conscious backpackers. This is hands-down the best water filter I've ever owned. I could have skipped listing all of the pros and just said there isn't anything better on the market if you're looking for a filter like this. You will NOT regret this purchase if you're a backpacker that travels more than 100 yards from… Full review

Katadyn Base Camp

rated 5 of 5 stars Excellent filter for floating rivers in Alaska. I've been using the Katadyn Base Camp gravity filter for almost 20 years in Alaska. It works great as long as the water source is near camp...floating rivers or backpacking near alpine streams.   Since it is a gravity system, above timberline I set it up in the rocks on a steep slope and stretch the outlet line as much as possible downhill to maximize the flow rate. I clean the filter after each trip by removing the prefilter screen, soaking in soapy… Full review

MSR Autoflow Gravity Filter

rated 4 of 5 stars Great piece of kit... well worth the money. STOP PUMPING!!! I purchased this in the spring of 2016 for a 35-mile group hike (12 people) into the South San Juan Wilderness in Colorado. I was unsure if this would be able to keep up with that many people's needs, but after the second day I knew it was well worth the cost. The Autoflow easily filters water fast and in large amounts. I actually watched some other hikers from not in the group stop pumping their own water and ask to use it! It is so simple. Full review

Top-Rated Water Treatment

Sort by: name | rating | price | availability | recently reviewed

user rating: 1 of 5 (1)
LifeStraw Mission Gravity Water Purifier reviewed Feb 28, 2017
$91 - $144
user rating: 4.5 of 5 (17)
Platypus GravityWorks Filter System 4L reviewed Jan 14, 2017
$120
user rating: 4.5 of 5 (3)
Katadyn Combi reviewed Dec 23, 2016
$190 - $219
user rating: 5 of 5 (2)
Sawyer PointOne Filter with Bucket Adapter reviewed Dec 21, 2016
$70
user rating: 5 of 5 (3)
MSR Guardian Purifier reviewed Nov 28, 2016
$350
user rating: 4.5 of 5 (18)
Sawyer MINI Water Filter reviewed Nov 19, 2016
$25 - $79
user rating: 3.5 of 5 (23)
Katadyn Base Camp reviewed Sep 29, 2016
$70
user rating: 4.5 of 5 (5)
MSR Autoflow Gravity Filter reviewed Sep 29, 2016
$80 - $119
user rating: 3.5 of 5 (7)
MSR SweetWater Purifier System reviewed Sep 23, 2016
$100
user rating: 4.5 of 5 (7)
CamelBak All Clear reviewed Sep 23, 2016
$85 - $99
user rating: 4.5 of 5 (8)
Aquamira Water Treatment Drops reviewed Sep 9, 2016
$14
user rating: 3.5 of 5 (29)
Katadyn Vario Microfilter reviewed Sep 6, 2016
$86 - $97
user rating: 4.5 of 5 (14)
Katadyn Pocket reviewed Sep 5, 2016
$323 - $369
user rating: 4 of 5 (47)
Katadyn Hiker PRO reviewed Sep 1, 2016
$67 - $84
user rating: 4 of 5 (1)
Platypus Meta Bottle + Microfilter reviewed Aug 1, 2016
$25 - $49
user rating: 3 of 5 (1)
Grayl Quest reviewed Jun 22, 2016
$80 MSRP
user rating: 4.5 of 5 (1)
Survivor Filter PRO reviewed Jun 19, 2016
user rating: 5 of 5 (1)
LifeStraw Go reviewed Apr 14, 2016
$31 - $49
user rating: 4 of 5 (30)
Sawyer Squeeze Filter System reviewed Mar 16, 2016
$40 - $59
user rating: 5 of 5 (13)
First Need Deluxe Water Purifier reviewed Jan 23, 2016
user rating: 4 of 5 (28)
Katadyn Hiker reviewed Jan 1, 2016
$70 - $74
user rating: 4.5 of 5 (1)
Katadyn Carbon Cartridge reviewed Oct 3, 2015
discontinued
user rating: 4 of 5 (2)
Sawyer Complete Water Filtration System 4 Liter reviewed Aug 16, 2015
$140 - $219
user rating: 4 of 5 (1)
Potable Aqua Pure reviewed Aug 12, 2015
$100 - $119
user rating: 4 of 5 (25)
SteriPEN Classic reviewed Aug 6, 2015
user rating: 3.5 of 5 (1)
SteriPEN Classic 3 with Pre-Filter reviewed Aug 4, 2015
$70
user rating: 5 of 5 (6)
Platypus GravityWorks Filter System 2L reviewed Jul 30, 2015
$100 - $109
user rating: 3 of 5 (10)
LifeSaver Bottle reviewed Jan 2, 2015
user rating: 3.5 of 5 (41)
MSR MiniWorks EX reviewed Sep 25, 2014
$90
user rating: 4.5 of 5 (1)
Water Wizard for River Runners reviewed Sep 21, 2014
user rating: 4 of 5 (8)
SteriPEN Adventurer Opti reviewed Aug 15, 2014
$90
user rating: 5 of 5 (1)
Katadyn Gravity Camp 6L reviewed Jul 9, 2014
$81 - $89
user rating: 5 of 5 (2)
CamelBak Groove reviewed Jul 3, 2014
$11 - $21
user rating: 3.5 of 5 (16)
MSR HyperFlow Microfilter reviewed Jun 17, 2014
$100
user rating: 3.5 of 5 (1)
First Need XLE Elite Canister reviewed May 22, 2014
$47
user rating: 4 of 5 (22)
MSR SweetWater Microfilter reviewed Apr 3, 2014
$72 - $89
user rating: 5 of 5 (1)
Sawyer All in One Filter reviewed Mar 24, 2014
$60
user rating: 4 of 5 (1)
Katadyn Hiker/Hiker PRO/Base Camp Replacement Element reviewed Mar 16, 2014
$40 - $49
user rating: 3.5 of 5 (1)
SteriPEN Sidewinder reviewed Dec 17, 2013
$100 MSRP
user rating: 4 of 5 (3)
SteriPEN Traveler reviewed Dec 3, 2013
user rating: 4 of 5 (1)
Water-to-Go Filter Bottle reviewed Nov 25, 2013
user rating: 5 of 5 (4)
First Need Deluxe Water Purifier XL reviewed Nov 16, 2013
user rating: 4 of 5 (1)
Vapur MicroFilter reviewed Oct 10, 2013
user rating: 4 of 5 (4)
Sawyer Complete Water Filtration System 2 Liter reviewed Aug 10, 2013
$100 - $109
user rating: 3 of 5 (4)
Katadyn Micro Bottle reviewed Aug 7, 2013
discontinued
user rating: 4.5 of 5 (2)
Sawyer Inline Water Filter reviewed Jul 30, 2013
user rating: 2 of 5 (4)
Katadyn Mini reviewed Jun 26, 2013
$100 - $109
user rating: 3.5 of 5 (1)
SteriPEN Ultra reviewed May 29, 2013
$100
user rating: 4 of 5 (2)
Sawyer Water Filter Squeeze Pouch reviewed Apr 3, 2013
$9
user rating: 0.5 of 5 (3)
SteriPEN Journey LCD reviewed Mar 15, 2013
$130 MSRP
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