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Buying Guide

Water, food and shelter are what you need to survive when you’re away from civilisation. If you know you’re going to be heading to a remote location where the water might not be drinkable or to a country where the tap water is questionable, then make sure you take a portable water purification system with you so you can stay hydrated at all times.

There are a number of different ways to make your drinking water safe, depending on the quality of water you may need to use one or more of these to get rid of all the nasties.

Water Filters

This is the process of forcing water through a particulate filter, usually down to about 0.2 microns. This process removes most of the bugs or protozoa that will give you an upset stomach such as giardia and cryptosporidium. This form of treatment is good for relatively clean water source such as from a tank or as a primary process for very dirty water prior to chemical treatment. 

Many of these filters also contain an activated carbon element which removes most of the smell, taste, and contaminants from water. If you are pulling water from a source that is regularly visited by humans or animals, you may want to chemically treat the water too.

Examples of water filters are the MSR Miniworks EX Microfilter. Lifestraw and the Platypus GravityWorks Filters

Chemical Water Treatments

Chemical treatment kills the same protozoa that filter treatments remove but is also effective on viruses which are much smaller than the 0.2-micron pore size of water filters. Chemical water treatment is not effective on turbid water, it is ideal for water sources such as tap water from underdeveloped countries or water that has been filtered to remove particulate matter. Chemical treatment, in particular tablets, is a lightweight way to purify water, but it can leave a bad taste in your mouth.

Examples of chemical water treatment are the Katadyn Micropur Forte Tablets

UV Water Purifiers

UV Water treatment is effective at eliminating both the protozoa that water filters remove as well as the viruses that chemical treatments deal with, and it does this without adding a nasty taste or smell. The catch is that the water has to be clean first, it will not work in water containing particulate matter. 

UV treatment is therefore ideal for travel where you need to treat what looks like clean tap water, or as a secondary treatment to water that has been filtered to remove particulates. UV treatment can be hard to adjust to as all you see happening is what looks like a light bulb turning on under the water. Rest assured though that this light bulb is emitting UV rays that are bouncing around inside the body of water and eliminating all those nasties, it is a proven and effective way to make water safe to drink.

Examples of UV water purifiers are Steripen and the Camelbak All Clear.

Water Purification

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Picture of Katadyn Micropur Forte Tablets
(15)

Katadyn Micropur Forte Tablets

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Lifestraw Tritan Renew 2−Stage Replacement Filter − Compatible with LifeStraw Go Tritan Renew Water Bottle, LifeStraw Go 2−Stage Water Bottle and LifeStraw Universal Water Bottle Filter Adapter Kit

LifeStraw Tritan Renew 2−Stage Replacement Filter

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Sawyer Point One Squeeze Water Filter System − Lightweight, easy to use portable water filter
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LifeStraw Peak Series Personal Water Filter Straw Mountain Blue − Ultra lightweight personal water filter straw
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LifeStraw Peak Series Personal Water Filter Straw

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LifeStraw Go Carbon Filter Replacement 2 Pack − Compatible with all LifeStraw Go and Go Series Water Bottles

LifeStraw Go Carbon Filter Replacement 2 Pack

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Grayl GeoPress Replacement Purifier Cartridge Orange − Lasts 350 cycles
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Grayl GeoPress Replacement Purifier Cartridge

$$55.90
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BioMagic WaterPure Test Strips 5Pk − Measures PPM of Hydrogen Peroxide in water

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Sawyer Micro Squeeze Water Filter System − Ideal for outdoor recreation & international travel

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Platypus GravityWorks 4.0L Water Filter
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Platypus GravityWorks 4.0L Water Filter

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LifeStraw Go Series 2.0 700ml Stainless Steel Water Bottle with Filter Kyoto Orange − Stainless Steel water filter bottle
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LifeStraw Go Series 700ml Stainless Steel Water Bottle with Filter

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LifeStraw Go Series 2.0 1L Stainless Steel Water Bottle with Filter Aegean Sea − Stainless Steel water filter bottle
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LifeStraw Peak Series Gravity Filter System 8L − High−capacity basecamp filtration for the whole crew

LifeStraw Peak Series Gravity Filter System − 8L

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Grayl UltraPress Replacement Purifier Cartridge Orange − Replacement purifier cartridges for the Grayl UltraPress
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$$47.90
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Platypus GravityWorks 2.0L Water Filter Complete Kit

Platypus GravityWorks 2.0L Filter Complete Kit

$$256.90
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BioMagic WaterPure Water Purifier
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BioMagic WaterPure Water Purifier

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MSR Guardian™ Water Purifier
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MSR Guardian Water Purifier

$$659.90
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MSR TrailShot Pocket Sized Water Filter
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MSR TrailShot Pocket Sized Water Filter

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Sawyer Mini Water Filtration System Green − Compact, efficient filtration
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LifeStraw Go Series 2.0 650ml Water Bottle with Filter Aegean Sea − BPA−free water filter bottle
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LifeStraw Go Series 650ml Water Bottle with Filter

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LifeStraw Go Series 2.0 1L Water Bottle with Filter Aegean Sea − BPA−free water filter bottle
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LifeStraw Go Series Replacement Membrane Microfilter − Compatible with Go Series water bottles

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Grayl GEOPRESS Portable Purifier Bali Blue
Bali Blue
(20)

Grayl GeoPress Portable Purifier

$$169.90
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Grayl UltraPress Water Filter & Purifier Bottle Camp Black − Compact and easy−to−use water filtration bottle
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LifeStraw Peak Series Gravity Water Filter System With Safe Water Storage 8L plus 8L − Ultimate basecamp high−capacity filtration system

LifeStraw Peak Series Gravity Water Filter System With Safe Water Storage 8L plus 8L

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