"It works, but..." - Review of Hydro Photon SteriPEN Adventurer Handheld Ultraviolet Water Purifier

The SteriPen does exactly what it says it will do, but the circumstances for it to work thoroughly need to be very controlled. Because the pen only works in a certain amount of water, you can only deal with that amount of water effectively. Well, if you're like most hikers, the amount of water you carry varies and you don't carry extra containers just to measure out the exact amount of water you need and you don't want to be restricted by the size of the container you bring. The prefilter kit which you can purchase with it leaked for me from nearly every angle and was worthless. So, the SteriPen works and does exactly what it says it will do, but it's a little more effort then I'd like to give. Personally, tablets and liquid water treatment are lighter, more versatile, smaller, and if I get the itch to add another filter, I can grab something else like the Frontier filter which is still smaller and lighter then the SteriPen...and it gives me an extra sense of security.
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