SteriPEN Adventurer Opti Water Purifier
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Most Helpful Positive Review Great product
I took the Adventurer on my Tahoe to Yosemite trip. It worked well and is very simple to operate. Be sure not to allow the water sensor to come out of the water during treatment or the safety feature will shut off the UV and require starting over. Best use of this water treatment is for solo or per...
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Most Helpful Negative Review Beware - It's NOT waterproof!
I bought one and sent it back, it's a flawed design. 1. It's not waterproof! Read thru-hiker recommendations online: everyone starts with one of these, then it fails in the rain. I called the factory, they do not guarantee it against being dunked! How crazy is that? 2. You can't use it without spre...
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Easy to learn to use.

by Cara D., Verified Owner from UT, United States Written on March 9, 2016
Easy to learn to use. Was shipped and delivered right away!
Would recommend: Yes
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Great gift for camping enthusiasts

by Regina L., from CA, United States Written on February 2, 2015
I bought the Steripen for a friend. She loves it.
Would recommend: Yes
0 of 1 found the following review helpful.
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Much Needed Upgrade!

by Nick, from CA, United States Written on August 5, 2014
I've been using the original Steripen Adventurer for several years. It is an excellent concept, however, it has always been extremely finicky. Water that was too cold or any agitation and the water sensors would tell the purifier to shut off before the cycle was complete. It would more often than not take 4 or 5 tries to get a complete cycle. I finally had enough and ordered the Adventurer Opt
Would recommend: Yes
0 of 1 found the following review helpful.
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Smart Choice

by Bearleg, from OH, United States Written on May 5, 2014
As a long time section hiker of the AT, i have seen many thru hikers using this and was impressed with the ease of use and it came highly recommended.
Would recommend: Yes
0 of 1 found the following review helpful.
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Great product simple to use

by Nate, Written on December 12, 2013
Very easy to use just press the button and it times the treatment for you.
Would recommend: Yes
0 of 1 found the following review helpful.
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SteriPEN's Opti Adventurer

by MikerHiker, Written on September 10, 2013
Even after you've pump filtered your drinking water, SteriPEN's Opti Adventurer puts your mind at ease.
Would recommend: Yes
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Editor's Choice? Na, Best Choice!!

by DCFD Firefighte, Written on September 10, 2013
Researching your purchases always pays off. I found this beauty and it surpassed my hopes. My buddy is a water operator and states: "This purifies water as good if not better than any treatment plant". Just be sure the water is not too turbid (cloudy) Even if it is slighly opaque just run it twice and it should be good to go. Supplied water to my group, 8Liters in under 15 minutes.
Would recommend: Yes
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works great

by Bear, from TX, United States Written on September 10, 2011
I've only had it a few weeks but seems to work like a charm. I've had no problems at altitude but my highest altitude so far has only been 10,000. It seems to work well on very clear water too. I've had none of the issue that others reported with that.

I like the size and ease of use. Plus it's nice to get a bottle of ready in just a few moments when you're thirsty!
Would recommend: Yes
0 of 1 found the following review helpful.
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