![]() Day-hikers and adventurers are typically the only folks using straw filters. With this device, you can drink from a water bottle (sometimes included with the straw filter) or drink directly from the source with your straw. Often a faster filtering process than gravity filtersĪs the name implies, a straw filter is essentially a beefy straw that filters the water as you suck water through it.Better performance for shallow water sources.So, unlike gravity filters, pump filters need input from the user to work – normally in the form of a small hand pump. From the filter, another tube feeds the filtered water into a clean water reservoir (or directly into your water bottle). Hard to fill from shallow water sources – works best with deep or steadily flowing water sources.Ī pump filter uses pressure to pull water from the source via a tube and through the filter for purification. ![]() Can be tricky to set up in areas without trees where hanging the dirty water reservoir becomes a challenge.Typically heavier and bulkier than other systems.Easy to use for cooking, cleaning, or filling multiple water bottles.Can filter large volumes of water easily (great for multiple people).Hands-off filtering – let gravity do all the work.This inline setup allows you to fill your hydration reservoir with dirty water but still get clean filtered water as you drink. In this case, the pressure of you pulling water through your hose mouthpiece forces water through the filter. This type of filter can sometimes be fitted directly to a hydration reservoir/bladder and hose. Gravity pulls water from the dirty water reservoir down through the filter/micropores that separate the impurities and then down to the clean water reservoir. This tube then connects to the filter/purifier, which hangs beneath the dirty water reservoir, and a second tube runs from the filter down to a clean water reservoir at the bottom of the system. It typically features a dirty water reservoir filled from the water source that’s then hung or placed in a high position with a tube connected at the base. This filter type has been quickly gaining popularity in recent years. ![]() Keep in mind that the exact type of water filter or purifying method you choose will depend on your group size, water source, and personal preference. ![]() Our first task is to take a look at the different types of filters and purifiers. While water purifiers aren’t necessarily required for most backcountry trips in the U.S., they can be invaluable on international trips to less developed areas of the world where water-borne viruses are a greater concern. Meanwhile, purifying water also removes bacteria, protozoa, and viruses (such as norovirus) which are much smaller and more difficult to remove. Generally, this is all you need for any backcountry trips within developed areas (such as the U.S., Canada, and Europe). Therefore, we filter or purify water.įiltering water removes bacteria and protozoa from water sources. Both of these tiny interlopers can cause moderate to severe illnesses that will immediately ruin your backcountry trip. Coli – or parasitic protozoa – such as Giardia. So why filter or purify water in the first place? Even though the water in a flowing river may look crystal clear and clean, it could contain microscopic bacteria – such as E. KEY CONSIDERATIONS for the Best Backpacking Water Filters Why do You Need to Filter Water?
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