If you’re tenting or mountaineering, few issues are extra vital than entry to wash ingesting water. You do not at all times have entry to the tools wanted to boil water, and carrying massive portions of water is a particularly tough job because of the weight. That is why having a filtered water bottle is such an asset for hikers and campers a like. In actual fact, it is a fully crucial piece of adventuring tools.

Whereas many sources of groundwater and faucet water are completely protected, it is by no means definitely worth the threat to drink from an unfamiliar water supply. Even when a water supply seems to be clear, it might be nonpotable contaminated water with viruses, dangerous micro organism, protozoa or different microorganisms invisible to the human eye. When you’ve ever been sick from ingesting water, you realize that waterborne micro organism are not any joke. And regardless of the Safe Drinking Water Act, faucet water can nonetheless comprise contaminants similar to lead, chlorine, arsenic, pesticides and even particles from malfunctioning wastewater remedy. Why not give a filtered water bottle a spin as a substitute?

Six filtered water bottles lined up outdoors.

I put six filtered water bottles to the take a look at at a water supply of recent groundwater in Southern California.

Paige Thies/CNET

Some causes it’s possible you’ll wish to say goodbye to utilizing a plastic water bottle or disposable water bottles and spend money on a filtered water bottle to maintain you hydrated:

  • You are not sure about your faucet water 
  • You journey to different states and nations the place you do not know about water practices and it would comprise dangerous contaminants
  • You go mountaineering, backpacking or on different outside adventures
  • You like bottled water however wish to scale back your plastic waste

To that finish, I examined six filtered water bottles to search out the perfect filtered water bottle you may belief to offer you clear, protected water, indoors or out.


The water gap the place I examined the filtered bottles.

Paige Thies/CNET

How I examined filtered water bottles

For the sake of protected drinkable water, two associates and I ventured out to a freshwater supply in Southern California. We have been fortunate to discover a tiny trickle of a waterfall within the Rancho Sierra Vista/Satwiwa Wilderness space within the Santa Monica Mountains, which culminated in a collection of 4 tiny swimming pools of water. Of the 4 water holes, we settled on testing the bottles within the one which regarded the least stagnant (and had the fewest bugs and tadpoles).

The day earlier than the hike, I cleaned and prepped every water filtration bottle on my listing in response to their directions. I crammed every bottle from the identical water gap and tasted the water from every bottle on web site. I then drank from the bottles one after the other and poured some water from every to see how clear it regarded. I used to be able to drink gallons of water if want be, and preserve ingesting till I discovered the perfect reusable water bottle.

How I rated filtered water bottles

I thought of 5 vital standards when utilizing every reusable water bottle: filtering and filter capability, supplies, style, ease of use and cleanup. These are all components it is best to contemplate when searching for a water air purifier bottle — you will wish to buy one which fits the exercise you intend to make use of it for.

As an illustration, if I used to be searching for a filtered bottle to take backpacking, I would not select the Brita. I additionally would not spend money on the Grayl Geopress if I solely wanted a bottle for faucet water.

Filtering: What filtering mechanism was used and the way effectively did the bottle filter dangerous contaminants, micro organism and viruses, and different unpleasantries out of the presumably non-potable water? Did the water bottle filters depart any particles within the water after filtering? Water “after filtering” means the water that comes out of the ingesting spout or filter straw. Are there alternative filters?

Supplies: What’s the bottle manufactured from? Chrome steel or plastic? If plastic, is it a BPA-free bottle? How sturdy is the bottle?

Style: This one’s fairly apparent. How did the water style? Particularly, have been there any remnants of mineral odor or chemical tastes similar to a chlorine style?

Ease of use: Was the bottle simple to prep and put collectively? Was it simple to get water into the bottle? How was the circulation charge?

Cleanup: After use, what are you speculated to do with the bottle? How simple is it to wash the bottle and ensure it is prepared on your subsequent journey?


The pure water I examined the bottles in already regarded comparatively clear, however after I poured a bit from the Geopress water purification bottle, I used to be shocked at how crystal-clear it regarded. Though I suppose I should not have been shocked, as Grayl’s heavy-duty filtering and water purification system is designed to filter out protozoa, chemical substances, particulates (like grime and sand), heavy metals and micro organism and viruses.

The Geopress water air purifier is manufactured from BPA-free polypropylene, a sturdy kind of plastic. The huge base diameter of the water air purifier provides it a sturdy really feel, and it is apparently designed to resist 10-foot drops onto concrete whereas it is filled with water. Unquestionably, the Geopress is the perfect filtered water bottle to maintain you hydrated with pure water on a backpacking journey as a consequence of its intense filtering mechanism and sturdiness. 

This Grayl bottle additionally affords comparatively simple clean-up, an vital issue for those who’re utilizing pure water. I actually preferred that the opening of the Geopress water filter bottle is huge sufficient to suit ice cubes and my whole hand into it, that means I might truly unravel the bottle with a sponge. Simply be certain to totally dry the filter bottle earlier than storing it: When you retailer the water air purifier whereas it is moist, the interior portion and outer parts suction collectively and it is then tough to tug the 2 items aside. 

Paige Thies/CNET

The Astrea One filtered water bottle filters out a powerful suite of heavy metals and chemical substances, together with lead, benzene, mercury, copper, chlorine and extra. The web site says you should not use this filter bottle with water that’s “microbiologically unsafe or of unknown high quality,” however I used it in pure freshwater and I turned out high-quality.

The physique of the Astrea One filtered water bottle is manufactured from stainless-steel, and the lid is manufactured from thick BPA-free plastic. The water bottle filter inserts snugly into the underside facet of the lid and locks in, giving the bottle an general sturdy really feel. 

The water I scooped from a pure water gap appeared to magically flip into bottled spring water contained in the Astrea filter bottle. If the Astrea One bottle did not have its filter in place, it could simply be a standard wide-mouth stainless-steel water bottle, making it tremendous simple to wash: The bottle opening is huge sufficient to suit an ordinary dish scrubber contained in the lid, and the lid has an additional opening the place the filter attaches to be sure to hit all of the nooks and crannies. 

Astrea affords a subscription service so that you always remember to exchange your filter. The water bottle filters are $12 per alternative filter and must be bought each two months for those who use your filter water bottle usually — however contemplating most individuals drink about 2 liters of water a day, that ought to provide you with loads of gallons earlier than you want a brand new filter. 

Sawyer Merchandise

Water that comes out of the Sawyer Select filtered water bottle is clear ingesting water, that is for positive. Sawyer Merchandise affords all kinds of clean-water gadgets, however this purifying water bottle specifically makes use of a double-filtration system: The inside “Foam Adsorption Know-how” removes heavy metals, chemical substances, pesticides and viruses, whereas the outside micron water filter removes micro organism, protozoa, cysts, grime and sediment. 

The Sawyer Choose bottle is manufactured from BPA-free, food-grade silicone, and the inside is foam. The varied caps, in addition to the exterior micron water filter, are manufactured from BPA-free plastic. The micron water filter itself is a hole fiber membrane. The bottle is squishy, however it nonetheless feels comparatively sturdy. 

One downfall for backpackers searching for a handy journey water bottle, although, is that this filter bottle won’t ever return to its dry weight whilst you’re on foot. It is unattainable to squeeze all the water out of the bottle, so anticipate it so as to add some weight to your pack after the primary use. 

This Sawyer bottle requires an preliminary prep to take away any foam adsorption materials that might’ve gotten knocked free throughout packaging or transport. When you prep the bottle, the water filtration course of requires 10 seconds of compacting the bottle to work the froth adsorption characteristic. To get all the water out of the water filter bottle, you want to give it a severe squeeze — even roll up the bottle from the underside, much like the way in which you roll up a toothpaste tube when it is getting low. 

As a result of this filter water bottle has so many components, it is fairly tough to wash. There is no method to get your hand or a brush contained in the bottle, and the froth inside makes me fear that the within can by no means get fully clear and dry. Nonetheless, the web site does say that it isn’t essential to fully dry the Sawyer Choose filter water bottle, as the froth can be designed to forestall mildew and micro organism progress. 

Paige Thies/CNET

Brita is thought for its faucet and pitcher filters, however the firm additionally makes plastic and stainless-steel filtered water bottles. In accordance with Brita’s web site, these bottles aren’t supposed for outdoor use — they’re supposed for simply filtered faucet water, just like the Astrea bottle — however this bottle additionally filtered pure recent water simply high-quality. The Brita filtering water bottle makes use of an activated carbon filter, which is extraordinarily porous and pulls contaminants, similar to chlorine and particulates. 

Brita’s filtered water bottles are available plastic and stainless-steel. It is BPA-free and comparatively sturdy, however I would not take this filter bottle on a backpacking journey. It might suffice for day hikes, nevertheless, for those who crammed it up with faucet water first (use with pure water at your individual threat). 

The Brita filtered bottle consists of simply three components: the bottle itself, the flip-top cap and the filter, which properly locks into place on the underside facet of the cap. It is simple to place collectively and requires nearly no prep — simply rapidly wash the bottle and run the water bottle filter below scorching water earlier than your first use. As a result of the bottle comprises minimal components, it is fairly simple to wash.

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Not really helpful


Regardless of being some of the standard water-filtering merchandise in the marketplace, the Lifestraw Go didn’t meet my expectations for filtering. The double-stage filtration features a hollow-fiber membrane and a carbon capsule, but this was the one bottle that produced water with particles after passing via the Lifestraw filter. That is to not say the Lifestraw Go is not protected to drink from — the particles have been in all probability simply sediment — however it did produce a comparatively sturdy mineral style in comparison with the opposite bottles on this listing.

The Lifestraw Go is manufactured from BPA-free plastic all through. Total, the Lifestraw Go feels fairly sturdy. I want the sturdiness of stainless-steel, however it’s light-weight and comes with a carabiner, so it could make backpacking water bottle.

This self-filtering water bottle has three easy components (bottle, cap and filter — 4 components for those who depend the carbon capsule contained in the filter), and the prep is straightforward: Simply run clear water over the carbon filter capsule. Any time you utilize the bottle, let the water sit for a number of moments to prime the hollow-fiber membrane filter. 

Paige Thies/CNET

Waterwell claims its double-stage filtration system removes 99.9% of waterborne pathogens, however primarily based on the style of the water that got here from this bottle, I would not be so positive. I did not really feel or see any particles like I did with the Lifestraw Go, however the style alone was sufficient to make me cautious of bringing this bottle into the backcountry for clear water. 

The bottle and cap are comprised of BPA-free plastic and really feel simply as sturdy as a plastic bottle ought to. The filter, nevertheless, is connected to the straw by a flimsy rubber tube, which might be the wrongdoer behind the poor filtering. The water tasted bitter, however I could not fairly place the style — sulfur, perhaps. Regardless that I did not actually wish to, I took a pair extra sips (and in addition spat these out) to verify it really tasted the way in which I believed it did. 

Regardless of its poor filter attachment and bitter style, the Waterwell does have some good properties. It is simple to make use of, with the identical setup as many of the different bottles on the listing: bottle, cap, filter. The water bottle filter detaches simply and the bottle opening is massive sufficient to insert an ordinary dish scrubber. 

Initially printed final 12 months and up to date periodically.

Extra inexperienced protection at CNET

The knowledge contained on this article is for academic and informational functions solely and isn’t supposed as well being or medical recommendation. At all times seek the advice of a doctor or different certified well being supplier concerning any questions you could have a couple of medical situation or well being targets.

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