Treat the water you drink to avoid cutting your trip short or bringing home more than photos.
- Takes between 45 and 90 seconds to treat a water bottle
- Each lamp will treat up to 8000 bottles of water
- Prefilter fits standard 63mm-thread water bottles and uses a 40 x 40 micron screen to remove particulates from the water prior to treatment
- Requires four AA batteries (not included)
- Colder temperature will reduce the number of doses per battery (we suggest keeping your batteries warm in cold temperatures to extend their life)
- Ships with a neoprene carry case and user guide
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Share your thoughts
This is great for day hikes and longer trips alike! Just fill your water bottle, press the button, and swirl the light around in the water. About a minute later and Preto! You've got some delicious clean water! You might need to strain the water through a bandana or something to get the sand particulates out.
Very quick and easy to use for clear water. If the water is particularly turbid, I would recommend a filter. It's a bit heavier than the other SteriPEN models, but 4 AA's are easier to come by (and cheaper) than the specialized camera batteries. It's also a bit fragile. I dropped mine from my pocket ~2 ft. onto a rock and it knocked the lamp connection loose. I sent it out to Hydro Photon and they fixed it for $7 in shipping.
Great little water purifier. Used this while traveling through India to purify tap water for drinking when bottled water wasn't available or the power was down and filters not working at Ashram where I stayed. Made it a whole month in India without getting sick once. It is really easy to use, I always gave a litter of water 2 full zaps just to be safe. The only down side is the size and weight, it's pretty hefty with 4 AA batteries inside oh and it looks a lot like an "adult toy" but it works. I almost forgot the cap takes some strenght to get off. I was always worried about using too much force and accidently breaking the light bulb, never happened and the bulb seems to be pretty robust, still should be easier to take off, maybe use a threaded cap instead. about the "prefilter" it's nothing more than a piece of plastic mesh to keep out large amounts of sediment. Great Price Definately worth it, but if you are a minimalist hiker this is probably too big and heavy, pay a little extra and get the small version
Or at least i assume so. No beaver fever yet. Make sure to buy the high end lithium or NiMH batteries and if you get the rechargable ones, top them off before your trip. First trip out, it died because the new batteries weren't fully charged.
Ok so here's the deal. My fiancee and I spend a couple months in Addis Ababa, Ethiopia. The water is clear and generally free from debris, but it is highly recommended that people should NOT drink it because of bacteria that can give you some very painful stomach problems. We didn't want to waste a bunch of plastic with bottled water all the time, so we got this. WOW! This thing is absolutely incredible. During our entire stay, we used it 2-3 times per day to filter water. Neither of us got sick from the water... only a couple times from sketchy food ;-)
We have also used it occasionally while camping.
I highly recommend this. If you are travelling and want to be conscious of your footprint, I'd say get this before you ever consider buying 2-3 plastic bottles of water each day. The batteries last for quite a while (haven't even had to change them and its been 6 months!).
One of the most important things about this is that it actually shuts off if you're using it incorrectly. While its filtering and doing its UV business, a green light will be on. If you happen to take even one of the metal prongs out of the water, it starts to blink red. That's something you don't really see on other kinds of filters... all for an absolutely unbeatable price too!
does the pre-filter fit on regular nalgene bottles?
Yes, the Prefilter is designed specifically for wide-mouth water bottles such as the Nalgene Wide Mouth Tritan Bottle.
The SteriPEN Classic requires 4 rechargeable or disposable AA batteries
Disposable Lithium Batteries:
- Expect about 100 cycles (1 liter treatments) before needing to replace the batteries
- Name brand batteries work best: Energizer Ultimate, Sanyo, Panasonic, Kodak, Duracell
- Expect about 80 cycles (1 liter treatments) before needing to recharge the batteries
- Recommended: Energizer Recharge NiMH 2300
- My personal tests with these batteries were right on
SteriPEN Community Blog:
Video: Battery Recommendations for SteriPEN Products
Note: SteriPEN models that use four (4) AA batteries average twice the number of cycles as those that use two (2) CR123 batteries. Carrying an extra set of CR123 batteries will provide a comparable number of cycles for those models.
I bought the Steripen Emergency which is the red basic version. Bought for Everest basecamp. It takes 4 AA batteries which makes it rather weighty. Also remember when you start to not submerge the two metal bits near the base until the light flashes.
Can steripen be used in hot beverages?
I'm not sure, but you'd most likely just want to use it on the cool water you use to make the hot beverage first. This both negates the question and keeps you from having to clean a dirty steripen.
If you can't stick your hand in it, you probably shouldn't stick the pen in it. Additionally, unless your hot beverage is hot water, the pen can have reduced effectiveness. Because it works with UV light, the darker a beverage/more sediment it has in it, the less effective the pen is and thus the greater risk of something surviving.
This thing is like something from a science fiction movie come true... I have used it on the pct and also backpacking/traveling in south america to have peace of mind drinking. The only problem is that you have to be really careful to rinse off your bottle with the clean water before drinking it, and make sure the lid is clean. I would usually fill my bottle, steripen it, close the lid and shake it, then steripen again, then rinse off all the threads. which means your not really left with a liter to drink. but it beats drinking nasty chemicals!
My husband and I use this little baby in the back woods. First we take the water and pour it through some small stones to filter out any larger materials like leaves. Then we use the pre filter for anything smaller. If the water is still cloudy we use any clean piece of tightly woven fabric and it usually clears it right up.
This whole process takes only about 10 minutes. We put the tightly woven cloth over the mouth of the water bottle and screw the lid on that has the pre filter on it. Then we hold the small stones in our hands above the bottle and the other person pours the water over your hands. Afterwards we remove the pre filter and use the wand as instructed to finish the process. Of coarse this entire process isn't needed if you're dealing with clear debris free water.
We always bring purifing tablets with just in case. This wand is a great alternative to big bulky water filtration systems. I wont go backpacking without it!
My SteriPen Classic has been, overall, a pretty handy little device. Remember that it is only for certain circumstances -- it's not good for treating water that's not already fairly clear or may contain other contaminants like pollution, pesticides/fertilizers used in agriculture, and so on. So think about the water at your destination before you take the plunge.
That said, if you're looking for an easy way to treat high mountain streams or lakes -- water that's not likely contaminated with other particulates -- then the SteriPen is very, very handy. Mine has been a trooper, reliable and with plenty of battery life. I use those Lithium disposable batteries (my rechargeable ones haven't worked well at all with this unit), and one set (4) has treated several dozen liters of water with no trouble. Carry an extra set (they're very light batteries) and you'll be set for at least several days of constant use.
This would also be an excellent addition to your luggage when traveling to places where the tap water cannot be trusted, though I have not used it for this purpose.
And if you think you'll need to treat anything other than mountain streams, lakes, or foreign tap water, opt for another system. Think of the SteriPen as a sort of modern approach to boiling water -- if you wouldn't want to drink the water after just boiling it, then you won't want to drink it after zapping it with the SteriPen.
This combo set with cap and pre-filter is especially awesome, as it solves both the particulate problem with that little filter and the contaminated threads problem. Screw it on the top of your bottle and it covers all the threads; remove the little pre-filter after filling and the SteriPen fits snugly in its place so the Pen is mounted to the bottle, so to speak, and you don't have to hold it while it does its thing. Makes for a complete and very handy overall system.
Oh, and mine does not take AAA batteries, but rather AA batteries. Not sure why it's listed here as taking AAA, unless they changed the design. Most other SteriPens take those CR123 batteries, which are smaller but can also be harder to find. So, I prefer the AA battery version just in case I need a battery refill from that little backwater gas station -- or, more importantly, when abroad. Good luck finding CR123s in most third-world countries...
I have had one reliability incident with my SteriPen. My hands were just barely wet when I went to replace the batteries (stupid rechargeables, failed me again!!!), so the Pen got a little wet in the battery compartment and, presumably as a result of this, kept giving me a dreaded red light for the rest of that trip. So I packed it away, planning to send it back when I got home. But once I was back to civilization it worked again, so I hung onto it and haven't had a single problem through four other backcountry adventures, usually 3-5 days apiece.
So you do need to be a little careful with your SteriPen, and always bring tablets as a backup. I would also recommend carrying a little packtowel or something else to dry off the unit in case it gets wet. And if it stops working, open it up and let it air out. But that caveat aside, it makes for a fantastic and very, very easy way to make fresh water after hiking through the backcountry. If I'm going high in the mountains where I know the water isn't subject to pesticides or other sources of nasty pollution, I leave my filter at home and just bring the SteriPen (and some tablets, of course). No pumping, very little waiting, and no hot drinking water. Overall, very awesome.