![]() Speaking of gaskets Grayl is completely dependent on its gasket which is not replaceable. So be careful not to spray yourself in the face. Something else I noticed is if Grayl gets misaligned while pressing it has a tendency to shoot water up past the gasket. Most times I had to use my body weight to assist me in filtering water, which is fine if you are filtering on the ground, but if you are using Grayl more as a traveling filter I think it might be a little awkward to put your bottle on the ground every time you need to filter. But In reality it takes quite a bit of force to press. Right off the bat from a weight and bulk aspect Grayl isn’t looking good. Now to be fair Grayl does make a smaller “ultralight” filter that still weighs almost 11oz which is still heavier than most backpacking water filters and can only filter 16oz at a time. But In the backcountry it’s just a nuisance. ![]() I’m sure this is helpful when you are setting Grayl down in a table or something where you don’t want it to slide away. Not only that but grayls limited capacity will require you to filter multiple times in order to get all the water you are likely going to need.Īnother thing I noticed is the rubber bottom on the bottle makes it very difficult to pull Grayl in and out of a backpack because the rubber clings to the nylon. Which means if you want to carry a typical days worth of water you are going to have to carry Grayl AND several other bottles to get a full days worth of water. But Grayls water capacity is limited to 21 oz. Which wouldn’t be a problem if Grayl could carry all the water I need for a trip. There are not many things in my gear loadout that are as bulky as Grayl. And this is from someone who prefers a heavier pump filter over light weight squeeze filters.īut probably even worse than the weight is the bulk. If it’s not the heaviest water filter on the market it’s got to be close. By itself without any water in it Grayl weighs blank which is really heavy. Weight and bulkĪnd with that in mind the first and biggest con on my list is how heavy and bulky Grayl is. Since this is a backpacking Blog for I’m going to be looking at Grayl primarily from a backpacking standpoint. coli, Salmonella and Cholera.Okay I’m going to start with the cons and just a short disclaimer. *This includes Giardia, Cryptosporidium, E. Easy collecting & dispensing: Collecting water is easy-simply open the top, scoop water, and close control delivery of filtered water with hose shutoff clamp.Hollow Fiber Advantage: Hundreds of tiny, hollow fibers, enable the microfilter to filter water faster than traditional filter media.Field-cleanable: Microfilter can be easily backflushed in 4 seconds to maintain filter performance.Group-ready: 8 liter (4.0L filtered + 4.0L unfiltered) total capacity easily supplies water for groups.(326 g) and stows smaller than most 1L bottles. Light & Compact: System weighs 11.5 oz.Effective: Every microfilter is individually tested to ensure it meets all EPA & NSF guidelines for the removal of 99.9999% of bacteria and 99.9% of protozoa*.Fast: Filters up to 1.75 liters per minute microfilter lifetime up to 1,500 liters of water.No pumping: Just fill the dirty reservoir, hang it, and let gravity do the hard work-yep, filtering water can be as easy as fill, hang, relax. ![]() Ideal for bigger backpacking groups or basecamps, the system has an 8 liter total capacity, easily supplying filtered water for drinking, washing up, cooking, and cleaning.
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