By MSR's claim, this means four people could treat water with the Guardian for about 60 days per year for 10 years before it needed a new filter. In both cases, water sources were spread out and cloudy at best, but the Guardian maintained its fast flow and produced clear water each and every time. At the end of three weeks of heavy and daily use, our purifier required no cleaning whatsoever.įurther, the Guardian's filter can treat up to 10,000 liters before needing to be replaced. In addition to our Peru trip, we used the Guardian on a bikepacking adventure in Mongolia’s Khangai range and a hiking trip in the Tavan Bogd massif. How does it accomplish this? On each stroke, the Guardian self-cleans by using 10 percent of its water to flush out contaminants in the filter, meaning you don't need to hassle with constantly cleaning the cartridge to maintain flow. Even when our only choice was murky water, it never got blocked with silt or slowed in flow.
MSR MINIWORKS EX WATER FILTER REVIEW FULL
As a true test, on our first night bikepacking in Peru’s Cordillera Blanca range, we pumped and drank from a creek where a full cow skeleton had come to rest and did not get sick. In fact, the Guardian is such a reliable and convenient system that it’s now being used as an emergency water purifier after natural disasters and in less-developed countries around the world.Īside from easy setup and filtering, another selling point of the MSR Guardian is the lack of maintenance. A quick overview here: water filters do not remove viruses (pumps from brands like Katadyn and MSR only protect against protozoa and bacteria), while water purifiers (like Aquamira drops) do not filter sediments or particles from water. But the MSR Guardian offers the best of both worlds by allowing you to both filter and purify water simultaneously-the ultimate peace of mind when backpacking in high-use areas (viruses are most commonly carried in human waste). While the Guardian is extremely easy to use, its true claim to fame is in its hybrid filtration and purification functionality. We did have some issues keeping the intake hose under the water-it tended to flip and float to the top when left in both flowing and still sources-but with a little fussing, we learned that lodging it against a rock was an easy solution. Because it was so simple, we ended up using filtered water for everything we did on our trip, including washing dishes. We typically filtered four liters at a time, which took about three or four minutes (the Guardian claims it can output about 2.5 liters per minute, but we always find manufacturer claims to be a bit ambitious or require perfect circumstances). Once water began moving up the hose, we were immediately impressed by how fast the Guardian worked. All we had to do was unscrew the cap and attach a Nalgene (or hold it overtop of a different size bottle or reservoir), drop the intake hose into a water source, and start pumping. The MSR Guardian was extremely easy to set up and use, even on the first go. To see how it stacks up, see our article on the best backpacking water filters and purifiers.
Below, we break down the Guardian’s setup and functionality, maintenance, weight and packability, build quality and durability, and more. While definitely not the cheapest or lightest option on the market, we think the added cost and ounces are worth it in the right situations. We took this unique hybrid filter and purifier along to Peru’s Cordillera Blanca and Mongolia’s central mountains, and came away extremely impressed with its ease of use, lack of required maintenance, reasonable weight, and superb durability. worst-casein.MSR has been a longtime leader in backcountry water purification, so it’s no surprise that their Guardian has become our go-to pump for big trips abroad. Features of the MSR Miniworks EX Microfilter Long-Lasting: Durable ceramic element filters up to 2000 liter Solid Activated Carbon Core: Removes unpleasant tastes and many chemical contaminants Fast Flow Rate: AirSpring accumulator increases filtration speed up to 1 liter per minute Field-Maintainable: Can be cleaned repeatedly for full filter recovery no tools required for complete disassembly Testing: Meets NSF protocol P231 for removal of bacteria (99.9999%) and protozoa (99.9%) from beginning to end of filter life in in. Pumping up to 1 liter per minute you could set up a pretty Decent water-filtering race. The ceramic filter is durable and ready to go filtering up to 2000 liters of water while you're backpacking or visiting a developing country.
MSR MINIWORKS EX WATER FILTER REVIEW PORTABLE
Sale price: 99.95$ with manufacturer: MSR in Sporting Goods -> Outdoor Recreation -> Camping Hiking -> Portable Water Filters Purifiers The MSR Miniworks EX Microfilter is an easy way to pump your way to filtered water.
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