STERIPEN WATER PURIFICATION
UV light is one of the fastest ways to make water safe — no chemicals, no waiting, no aftertaste. The SteriPen uses ultraviolet light to neutralize viruses, bacteria, and protozoa in about 90 seconds, simply by stirring it into a bottle of clear water. The SteriPen Ultra is USB-rechargeable with a display that confirms each treatment, making it a clean, reliable purification option for travel, backpacking, and preparedness. Because UV works best in clear water, pair it with the SteriPen pre-filter to screen out sediment first — and remember that UV purifies but doesn't remove particulate or chemicals, so filtering first gives the best results. Cana Provisions carries the SteriPen Ultra, starter bundles, and pre-filters to build UV purification into your water plan.
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Steripen Ultra UV Water Purifier
$134.95
Steripen Pre-Filter
$19.95
Mobile Water Contingency Kit
From $375.00
UV treatment uses ultraviolet light at a specific wavelength to disrupt the DNA of microorganisms — bacteria, viruses, and protozoa — rendering them unable to reproduce and therefore unable to cause illness. It does not remove contaminants or particles; it neutralizes biological threats in place. Water treated with UV is safe to drink but may still contain sediment or dissolved substances if not pre-filtered.
At the correct UV dose, it is effective against bacteria, viruses, and protozoa including Giardia and Cryptosporidium. Efficacy depends on adequate exposure time and water clarity — turbid water absorbs and scatters UV light, reducing penetration and effectiveness. Pre-filtering turbid water before UV treatment is essential for reliable results.
UV water purifiers are ineffective in turbid water without pre-filtration, and they do not remove chemical contaminants, heavy metals, or improve taste and odor. In a primary kit, UV treatment is most reliable when paired with mechanical filtration and carried with backup power. Power and charging is not a problem when paired with the NESTOUT series of batteries and solar chargers.
UV treatment neutralizes biological threats at the moment of treatment. There is no residual disinfectant left in the water afterward, unlike chemical-based treatments. Water should be stored in a clean, sealed container and consumed within a reasonable timeframe. Reintroduction to an unclean container or source reverses the treatment.