LifeStraw Go Portable Water Filter

The LifeStraw® water filter has now been incorporated into a sports bottle to give users access to safe drinking water even when there is no water source nearby. Simply use the bottle to scoop water from any pond, stream or river, and you will have a supply of fresh, clean drinking water. Take the LifeStraw® Go with you when you go hiking, camping, or traveling to areas with poor water quality. Use the carabiner to attach to your backpack, or store in your preparedness kit to ensure access to safe, clean drinking water in an emergency.

Disclosure: Eartheasy contacted me to try their LifeStraw® Go Portable Water Filter at no cost to me. My only responsibility was an agreement to complete this review after trying the item. I was not pressured in any way to make a positive endorsement.

The LifeStraw® Go water bottle is designed to be filled up and taken with you on the go. Stop at a river, stream, or even a puddle, fill up the bottle, screw on the lid and filter, and drink filtered water through the mouthpiece. It couldn’t be any easier: just dip it, then sip it. After each drinking session, unscrew the lid and blow through the LifeStraw® to expel dirty water.

LifeStraw® Go uses advanced hollow fiber technology. This highly efficient method of filtration requires no chemicals. The hollow fiber membrane prevents pathogens from coming inside. Only clean water passes through. You’ll be safe from nasty bacteria and protozoa like giardia and e.coli, cholera and salmonella, and much more.

LifeStraw Go Science GraphicLifeStraw® Go filters up to 264 gallons or 1,000 liters of water to 0.2 microns and removes 99.9999% of waterborne bacteria and protozoa. If you’re like me, there is always trepidation about drinking unfiltered water from a mountain stream. It looks so crisp and cool, so refreshing. But spend three weeks battling the after affects of a giardia infestation in your bowel, and it doesn’t seem so cool and refreshing. With the LifeStraw® Go you can enjoy the pleasures of cold mountain water without the danger of the nasty bugs.

With its thousand liter capacity, the LifeStraw® Go filter lasts a long time. You can go on literally hundreds of hikes before having to replace it. And yes, you will be able to replace it. The manufacturers are working on a replaceable, screw-in filter. You won’t have to replace bottle and all… just swap out the filter. The lightweight, BPA-free bottle can be reused indefinitely, saving waste from disposable plastic water bottles. LifeStraw® doesn’t use iodine or iodinated resin chemicals and meets US EPA drinking water standards.

Testing the LifeStraw® Go in the Field

I recently returned from a cross-country sightseeing and hiking trip that included visits to such disparate places as the Utah desert, the plains of Oklahoma, the Buffalo River Gorge in the Ozarks, and the nearby Smoky Mountains. This enabled a pretty good cross section of water sources for testing this product.

The LifeStraw® Go truly is as simple to use as it gets. Fill the container with dirty or unfiltered water. Wait approximately two minutes to allow the water to permeate the filter membrane, then sip the water through the straw. What could be easier? I came to think of it as: just dip it, then sip it. After each drinking session, unscrew the lid and blow through the filter to expel any dirty water. No pumps that take forever to get a quart of filtered water. No gravity filters that seemingly slow to a drip. The LifeStraw® Go is immediate refreshment.

Did I have any complaints? Well, yes… the silicone mouthpiece on the straw does have a rubbery taste to it. I’m hoping that will go away with time. Perhaps my biggest complaint, however, is that it becomes more difficult to sip through the straw the more empty the bottle becomes. With a 22 ounce capacity, the bottle/filter combination works terrific when it is full. The openings in the filter membrane enable significant water flow through the straw. As the bottle begins to empty, though, fewer openings are submerged, meaning there is less surface area underwater. The water has to pass through a smaller opening causing you to have to suck the straw harder. A solution is to refill the bottle when it gets about half empty, but you can’t always do that under dry conditions.

How to Get One

Manufactured by the Swiss company Vestergaard, the LifeStraw® Go retails for US$34.95 and can be purchased from Eartheasy or from Amazon. For every LifeStraw® you purchase, a child in Africa will be provided with safe drinking water for an entire school year. You can learn more about this remarkable program at

Despite my complaint above, the LifeStraw® Go is now my go-to portable water filter. It fits perfectly in the water bottle sleeve in my pack. The best news? I used the LifeStraw® Go several times and didn’t get sick. Because of its ease-of-use I really can’t imagine continuing to carry a clunky pump filter. In fact, as long as I know my hiking destination has a reliable water source, I am likely to carry less water in my hydration bladder, relying instead on the LifeStraw® Go. I’m always up for reducing my pack weight. Since the filter lasts such a long time, this product is quite a bargain at the retail price. I say go for it.

Disclosure: Eartheasy contacted me to try their LifeStraw Go Portable Water Filter at no cost to me. My only responsibility was an agreement to complete this review after trying the item. I was not pressured in any way to make a positive endorsement.


This post was created by Jeff Clark. Please feel free to use the sharing icons below, or add your thoughts to the comments. Pack it in, pack it out. Preserve the past. Respect other hikers. Let nature prevail. Leave no trace.


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