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Platypus GravityWorks High-Capacity Water Filter System for Group Camping and Emergency Preparedness

£9.9£99Clearance
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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. We’ve tested this filter abroad and love it for international travel . It’s ideal for when you want to filter all tap water before drinking, and it works wonderfully as a constant companion to keep you hydrated on the go. Effective: Every microfilter is individually tested to ensure it meets EPA & NSF guidelines for the removal of 99.9999% of bacteria and 99.9% of protozoa**. They work great for larger groups or when you want to filter a lot of water all at once. They’re also quite light, given their speed and ease of use.

Ultralight & Ultracompact: System can weigh as little as 6.3 oz. (180 g) and stows smaller than most 1L bottles (depends on configuration). Each day I would find the nearest water sources on the map, maybe a stream, spring or brook and few treat stops (pubs and cafes) where I could get tap water!To justify taking anything on an extended thru-hike it needs to be dependable, lightweight, and durable enough to last for months of torture. Today, you usually see one of two popular filters being used by long-distance hikers going the length of trails like the PCT and AT: the Sawyer Squeeze or the Katadyn BeFree. If you’ve drank filtered peaty water depending on the colour of the water you can notice a slight soil taste, but it’s not something I’ve ever been bothered about, the darker the colour the stronger the taste of peat you’ll notice. I’m afraid the filter is good but it doesn’t turn dirty (muddy/peaty) water into clean water by sight! Yes, there’s not really much you need to do other than fill the reservoir, screw the filter on and turn upside-down, gravity does the rest for you!

We like Katadyn’s Micropur M1 tablets for chemical treatment, as they tend to leave a more subtle aftertaste compared to other brands. The SteriPEN Adventurer has been our go-to UV filter for its long lifespan and light weight. If you’re looking at lightweight, robust and non-plastic tasting water carriers then I’d certainly recommend Platypus. They design their products with a double layer film which means you don’t have that plasticy taste and they are also durable and they have a lifetime warranty on all their products.

As a solo hiker it was great that I could hike with less water and then filter on the go.But I was also able to help a few fellow hikers who were low on water during the hike, especially when the weather was insanely hot. Filters like the Sawyer Squeezeand Katadyn BeFreeare popular because the actual filter unit is so small, and the weight is close to nothing. The Sawyer Squeeze weighs just a couple of ounces, while the Katadyn weighs 6.8 ounces (but remember, it can filter up to 3 L of water at a time).

The kit also includes a universal bottle adaptor. If you prefer to use a rigid bottle for your drinking water then the adaptor allows you to filter straight into it rather than the platy bottle that comes with the kit. Group-ready: 8 liter (4.0L filtered + 4.0L unfiltered) total capacity easily supplies water for groups.The LifeStraw Squeeze Filter also performed well in testing, though not as much as others on our list. It’s modular, so while it has the filter incorporated inside the squeeze pouch, you can also move it to the outside (and swap out the cap) if filling bottles or not drinking directly from the filter. Both are a great price. The 22-ounce bottle is a solid alternative option to the straw if you won’t be near water sources as frequently. The activated carbon filter reduces chlorine, organic chemical matter, and odors for a better taste than other filters we tried, making it a fine bottle to tote around on daily outings. Another consideration here is location: if you are going to be traveling through a desert landscape, there may be few to no trees (a necessity to hang some gravity filters properly). For that type of setting, a different style of filter would be best. Hollow Fiber Advantage: Hundreds of tiny hollow fibers enable the microfilter to filter water faster than traditional filter media.

Hollow Fiber Advantage: Hundreds of tiny, hollow fibers, enable the microfilter to filter water faster than traditional filter media.The personal Peak Series filter worked extremely well and had a good flow rate. After 20+ years of LifeStraw being on market, it was nice to finally see a big upgrade in materials and design. These filters use gravity to pull water from a dirty bag, through a filter, and into a clean bag or directly into your mouth. These are often the easiest filters to use as you simply hook it up to a tree branch or tent and wait. These are usually heavier and take some time to set up, so aren’t the best options for fast and light missions. They tend to work best for large groups or to keep around a base camp. Pure Platy experience: The Platy 2.0L Bottle is taste-free, as well as BPA-free, BPS-free, and phthalate-free. If I’d have taken traditional water bottles, firstly, it would have been harder to fit them in due to their shape and secondly, they would have been heavier. For example, my 1-litre water bottle weighs 142 grams so three of those would have been 426 grams, with 40 grams for the soft flask my total weight with the same water would have been 3.9 kg. The filter has a grey screw lid at both ends, one covering the filter (known as the dirty end) and one that you pour or drink the water from (the clean end).

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