Are you looking for a backpacking water filter? There are hundreds of them on the market today, but finding the best option is a daunting task. There’s no way you can survive in the wild without the basics: food, shelter, and clean water. If you’ve ever experienced stomach parasites, then you understand just how critical clean water is. If you haven't, you never want to.
Water naturally contains biological pathogens that can damage your body and digestive system. Instead of allowing dirty water to ruin your backcountry trip or hiking experience, you’re better off packing a water filter. Trust me, nothing ruins a good backcountry trip quicker than giardia.
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What Is a Backpacking Water Filter
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In simple terms, a backpacking water filter is a device that’s used to remove unwanted substances like bacteria, protozoa, viruses or harmful chemicals from drinking water. It is essential if you intend to go on a multi-day outdoor adventure. It works by filtering out the bad and letting only clean water pass through, allowing you to drink clean water right away. Most water filters require pumping or squeezing, which can be pretty annoying.
Backpacking water filters come in different types, the main ones being the squeeze or sip water filters, pump water filters, and gravity water filters. The sip or squeeze backpacking water filter is a lightweight personal filtration solution best for day hikes. Pump water filters have a pump mechanism that lets you filter large amounts of water and are best for filtering water quickly for yourself or for a small group. Gravity backpacking water filters are suitable for large groups.
FAQs About Backpacking Water Filters
If you plan on venturing into areas where untreated surface water may be your only source of drinking water, then a backpacking water filter is a must. Water treatment is the only way backpackers can avoid picking up unpleasant illnesses caused by pathogens that hide in the water. Unless there's a sign that clearly states the water is safe for drinking, you must take precaution and treat it.
How does a backpacking water filter work?
A backpacking water filter contains an internal element, with microscopic pores specifically for catching debris and biological pathogens, preventing you from ingesting them. Also included in a water filter is activated carbon that effectively removes unpleasant tastes while reducing chemical contaminants.
Pump style filters come with a prefilter that removes large particles and debris from the water to improve the treatment process. Prefilters are useful in maintaining your pump filter’s flow rate, thus extending its life, and improving the effectiveness of chemical treatments. Its effectiveness for this purpose is determined by the size of the openings in the filter, also called microns.
Using an intake hose, water is drawn into the filter. Once inside the hose, water is pressed through the water filter manually or through suction. Any microorganisms living in the water are trapped (but not killed), and once the debris is captured, your clean water exits through the filter outlet, ready for drinking.
Are backpacking water filters any different from purifiers?
The difference between a backpacking water filter and a purifier lies in the size of the microorganisms each can combat in the water. A water filter removes biological pathogens such as protozoan cysts such as cryptosporidium and giardia, bacteria, and parasites. On the other hand, a purifier eliminates all these pathogens plus viruses, which the filter doesn’t remove because they are too tiny to effectively catch. Water filters utilize a pump mechanism that takes some energy to pump water through the filter; thus it’ll need some periodic maintenance and cleaning.
Why should I use a backpacking water filter over other filtration methods?
There are several other ways of filtering and purifying your drinking water while on the trail. Some of these methods include boiling, using chemicals or water purification tablets, or using a water purifier.
Boiling is the traditional method of purifying water, and it is highly effective. However, it is time-consuming and uses a lot of fuel to boil enough water, and has a negative effect on the taste of the water.
Chemical tablets are good at killing bacteria and making water safe for drinking, but they also affect the taste because they contain iodine, which makes water taste bitter, with a lingering aftertaste. They also have a limited lifespan once you open the bottle, plus they don’t work fast during cold weather and don’t always work on certain types of pathogens.
A purifier, as stated, is great for neutralizing bacteria, protozoa and especially viruses in just a few seconds, especially the ultraviolet purifier. Therefore, a water filter comes in handy due to its portability, ability to capture and remove contaminants, doesn’t require much effort, and it keeps the taste of the water palatable.
What to Look for in a Backpacking Water Filter
Water treatment goes a long way in maintaining your health while out on the hiking trail or the outdoors in general. Water sources vary in terms of safety levels for drinking water, but that doesn’t mean that a pristine-looking source can’t make you sick. What makes for a good backpacking water filter? Consider the factors below when selecting one for your next backcountry trip.
1. Purification vs. filtration
It is important to know the difference between a water filter and purifier. The main difference is in the size of the pathogens each fight. While purification eliminates viruses, filtration removes bacteria and protozoa, while removing debris and silt to ensure the water is more pleasant to drink. Purification, however, doesn’t remove the debris and silt.
2. Type of backpacking water filter
Some water filters are easy to set up, while others require your full participation such that you’d have to filter the water by pumping it or squeezing physically. The type of filter also matters because some are ceramic and shouldn’t be exposed to extreme weather temperatures.
3. The water source
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How clear is your water source? This affects the water filtering process, and subsequently the type of backpacking water filter to choose. Elements such as leaf debris, glacial sediment or mud can murk up the water source, so you need a water filter to remove the dirt and debris.
You can also use a prefilter, like a cloth or a bandana, depending on how congested the water is so that you don’t clog up the water filter itself before filtration. Other considerations include the reliability and endurance of the backpacking water filter, the type of chemical treatment you are using, and the average filter life.
4. Pore size
The pore size is the size of the holes in the water filter through which the water passes and is squeezed. The smaller the pore size, the better to capture pathogens while permitting the passage of water. Before buying a backpacking water filter, especially mechanical ones, review the pore size (measured in microns) against the size of pathogens to be filtered out as not all filters can remove all pathogen types.
5. Weight of the backpacking water filter
For any backpacker, just like other travelers, weight is significant when it comes to all your gear, and your backpacking water filter isn’t an exception -- especially for longer trips. There’s usually a tradeoff between the weight and speed of filtering, but a small and light filter will tend to take longer to filter the water.
6. How long it takes to filter a liter of water
There are speedy water filters, and there are those that take some time. What you need to consider here is how many people you intend to filter water for, because you’ll need more time in such a case. While using chemicals can purify large volumes of water, it can take longer to do, compared to a backpacking water filter that can do it within minutes. Ultimately, you’re here for the experience, so you want a treatment method that will help you save on time too.
7. Availability of replacement parts
Water filters have a filtering element which when used over time tends to wear out and will need replacement. In some cases, both the water filter and its unit are disposable, and thus need to be replaced entirely after its lifespan. The price of the filter and replacement cartridges is also something to consider along with their availability.
- Best Backpacking Water Filters of 2019 -
There are different types of backpacking water filters you can choose from. The main ones are pump filters, gravity filters, bottle filters, squeeze filters, and straw-style filters, all of which you will find in the list below. The list is in no particular order and isn't exhaustive, but these serve as an excellent place to start when looking for a backpacking water filter.
LifeStraw Personal Water Filter
Lifestraw is a straw-style backpacking water filter best for personal use. The solo straw is dipped into a water source, or into a water bottle, and removes almost 100 percent bacteria and protozoa. You can wear it around your neck with its lanyard or stash it on your hip belt for on-the-go drinking while hiking, or in case of emergencies. You can buy it on Amazon, or you could purchase it from the Lifestraw brand website.
- Ideal for outdoor recreation, hiking, camping, scouting, domestic and International travel, and emergency preparedness
- High-performance 0.1 Micron absolute inline filter fits in the palm of your hand and weighs just 2 ounces; 100% of MINI...
- Attaches to included drinking pouch, standard disposable water bottles, hydration packs, or use the straw to drink...
The Sawyer Mini Water filtration system is a straw-style and squeeze backpacking water filter, so you get two types in one. It is great because you can attach it to the reusable squeeze pouch and drink directly from the filter, or, you can squeeze the water directly into a water bottle. It screws onto most disposable water bottles and attaches inline on a hydration pack without the need for adapters. You can also sip from the personal drinking straw and drink directly from the source. It also removes almost 100 percent of bacteria and protozoa.
Katadyn Hiker Pro
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The Katadyn is one of the bestselling water filters, with a great niche that other backpacking water filters don’t fill. It is the best pump water filter for use in small and shallow water sources, besides being light, sturdy and fast. If you plan to go on a multi-day backpacking trip with three or so people, this filter will fit snugly in your backpack. It uses an active carbon core to eliminate bad odor or taste and reduce chemicals while removing pathogens and silt at a liter per minute (48 pumps). It has a bottle adapter and can filter up to 1,150 liters of water.
- Bottle Kit: Minimalist setup uses a Universal Bottle Adapter to connect the system directly to an existing water bottle...
- No pumping: Just fill the dirty reservoir, hang it, and let gravity do the hard work.
- Fast: Filters up to 1.5 liters of water per minute; filter lifetime up to 1,500 liters of water.
The Platypus Gravity Works is a complete water treatment filtration kit that has two four-liter water reservoirs, a water filter, and connecting hoses. It is ideal for filtering large quantities of water quickly at a speed of over one liter per minute while removing pathogens and particles. This makes it the most efficient backpacking water filter for large groups of people.
Renogy Water Purifier
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Survivor filter pro is a portable backpacking water filter great for camping, hiking and emergency. It filters water in three stages, with two cleanable 100,000-liter membranes and a carbon filter to eliminate bad taste and odors. It filters fresh water, which you can also store for emergencies, and is ideal for one person or larger groups.
Now that you know what to look for in a backpacking water filter, and have narrowed down your options based on the top picks we've listed here, we believe you'll be able to pick the best one for your hiking or camping activity. Our pick for the best personal backpacking water filter would be the Lifestraw personal water filter. The water filter that offers the best bang for the buck is the Sawyer mini filtration system, as it offers a three-in-one water filtration package that can be used in different ways. However, if you prefer a pump backpacking water filter, the Katadyn Hiker Pro is right for the job. But overall, the Lifestraw backpacking water filter takes the crown.
Featured Image: Pixabay
Last update on 2021-10-18 at 03:27 / Affiliate links / Images from Amazon Product Advertising API