![]() ![]() This issue can be solved by cutting a 3-inch length of rubber hydration bladder hose and putting it on the bottom of the LifeStraw so that you are always sucking from the bottom of the bottle. The “straw” only reaches half way down the bottle, so once you have sucked up half of your water you have to contort the plastic bottle in all directions trying to get the remaining water to the bottom of the straw. The soft bottle that comes with the LifeStraw Flex is probably the lightest option if that is your primary consideration, but it isn’t my favourite from a usability standpoint. When I saw the new LifeStraw Flex I was immediately interested because you can simply scoop water quickly from a stream while you pass, and then do the actual filtration while you are walking along and drinking. I have been using the MSR Trailshot for a couple of years, but it’s not the fastest system in the world because you have to stop and crouch down while you pump it to filter the water from the stream. My first stipulation for this kind of filter is that it should fit into the hip belt pocket of my backpacks, so that I can grab water from a stream without needing to take the pack off. I much prefer to travel with the Platypus flexible water bottles that I have talked about before, and then use a lightweight, pocketable water filter to top those up during the day. ![]() Some people are happy to carry several litres of regular tap water with them on an adventure, but if you’re already carrying 10-20lbs of camera equipment then this isn’t all that practical. If you spend a lot of time outdoors then water purification is going to be a consideration at some point.
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