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If that’s the case, the MSR MiniWorks EX water filter should be on your shortlist because most ultralight hollow-fiber membrane filters only work with small-mouth soda bottles or require their own proprietary-sized bottles to function, like the Katadyn BeFree. If you prefer to carry hard plastic Nalgene style bottles, Nalgene soft canteens, MSR Dromedary, or MSR DromLite water bladders, chances are you’ll value the MiniWorks’ convenience for using a wide-mouth hydration system more. Wide Mouth Bottle Compatibilityīut there’s another factor that’s equally important when choosing which water filter to use and that is wide-mouth bottle compatibility. But pump filters are generally the heaviest form of water filtration available for hikers and backpackers compared to squeeze bottle filters, in-line filters, gravity filter systems, filter-straws, and UV purification, and therefore less attractive in terms of gear weight. Pump filters still have their uses though and are arguably better for obtaining and filtering water from turbid and cloudy water sources like snowmelt, beaver ponds, and cattle troughs.
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The popularity of pump-style water filters has plunged in recent years due to the introduction of lighter-weight hollow-fiber membrane water filters like the Sawyer Squeeze. Filter Lifetime: 2000 liters, replacement filters sold separately.Wide-mouth MSR Dromedary and Dromlite Bladders.99.9% of Protozoa (Giardia, Cryptosporidium, etc).99.9999% of Bacteria (E.coli, Salmonella, etc.).While the MiniWorks is heavier than simpler squeeze-style water filters, it's a better solution for filtering turbid, cloudy, or tannic water sources like snowmelt, spring thaw, and algae-infested ponds. Read More at my blog: MSR MiniWorks EX is an elegantly engineered water filter system that's effective for removing bacteria and protozoa from backcountry water sources and is compatible with wide-mouth hydration bottles and bladders. Since then I've used the filter on a number of trips and I feel that I can now offer an honest review of the product. Likely a bad manufacturing run on the pins, things like that happen in production.
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They said they'd had two others returned for similar failures. The pump pivot pin broke and though quite a drag, the good folks at REI replaced it, no questions asked, with a brand new filter unit. I'll say right from the beginning that the first one I bought failed on my very first trip resulting in me having to cut my outing short by two days. Last year I purchased the MSR (Mountain Safety Research) Miniworks EX. Because of that it's always a good idea to have a means of treating water, in sufficient quantity to sustain yourself, for far longer than the scheduled duration of your trip. However, weather changes fast in the back country and for any number of reasons people often get stranded far from help and that simple trip to your favorite trout stream could very well turn into a solo wilderness adventure and survival situation. For the weekend fishing or camping trip it's easy enough to bring sufficient water with you. Whether in a survival situation, a lengthy solo wilderness adventure or a simple weekend fishing or camping trip the one thing you cannot do without is water.