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Water Purifiers

Summer Trail Smarts: Purify Water

Learn several techniques to purify water in the backcountry.

Gear Review: Polar Pure Water Disinfectant

An iodine treatment that doesn't taste like iodine.

Gear Review: MSR Dromlite Bag

A lightweight, six-liter bag.

Editors' Choice 2011: SteriPEN Adventurer Opti

This ultralight water purifier is fast, easy, and leaves zero aftertaste.

Gear Review: CamelBak Groove

A water bottle that makes chemically treated water taste better.

Gear Review: Katadyn MyBottle

Water bottle and filter in one.

Gear Review: Steripen Adventurer Opti

An easy-to-use tool that zaps water drinkable withe the use of ultraviolet rays.

Gear Review: Platypus GravityWorks

A fast, effective way to filter water for a big group.

Gear Review: MSR HyperFlow Filter

A lightweight filter that filters at a rate of three liters per minute.

Gear Review: Sawyer 4 Way Water Filter

A 32-ounce dip-and-sip filter that lets you refill in about 10 seconds.

Gear Review: SteriPen FitsAll Filter

Strain and filter your water with this SteriPen product.

Gear Review: Katadyn Base Camp Gravity Filter

Filter water for a group with this big bladder.

Gear School: Water Filters

Remove most micro-nasties, draw water from barely-there puddles, and quench thirst fast with the versatile pump filter.

Gear School 2009: Essentials

From sleeping pads to trekking poles, we'll have you good to go in no time.

Get This Gear: Essentials From A to Z

We tested more than 500 products–stoves, clothes, cameras, filters, tech tools, knives, and meals–to find these proven performers.

Camp Coffee Gear: Make the Perfect Cup

4 backcountry brew gadgets even the snobbiest baristas will love.

March 2008 Essentials Review: Hydration

December '07 Gear Test: 3D Connexion Space Navigator, Purosol Sport/Marine, Solio, The Pod

The Backpacker testers try out some ingenious products for photo taking, map making, screen cleaning, and portable recharging.

Water Purifier Review: AquaStar Plus

A water bottle that doubles as an emergency lantern.

Buying A Better Filter

It's simple: Unless you like getting sick, treat all of your water. Follow these 10 essentials to find and maintain the right filter.

Zipped-Tight Water Safety

Use ziplock baggies with your water purifiers for extra safety.

Fitting Filter Head Adapters

What to do if your filter head does not have an adapter for your water bottle.

Gear Rx: Stoves And Water Filters

See if your stove or water filter is safe to repair.

Water Filter Maintenance

Tips to keep water filters filtering.

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