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When I need to wash a drinking water bottle, canteen, bladder, etc. I fill it part way with warm water, and add table salt. This particularly effective for areas that have growth or contaminates and can not be effectively scrubbed. Add lots of salt, to the point of saturation (when shaken salt still settles to the bottom), Shake well. Most anything that ...


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I drain mine thoroughly, hang/suspend it with the open end down, and stick an empty paper towel tube stuffed with paper towels into it to keep it open. I've found that if I only use water, and let them air dry promptly, I never have a problem. I only use filtered water in my bladder. If I feel I want to clean them, I use a warm white vinegar water solution ...


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take a fish tank pump or air mattress pump and run a plastic tube into the bladder. It circulates air and takes about 30 minutes. For the tube itself, I remove the bit valve off the end and swing it around to get the centrifugal force to get most of the water out--then I use the pump--takes about 5 minutes.


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Is it safe to drink water from streams in Dartmoor using simple purification methods? Basically it depends on the water source. Follow some general rules and you should be fine though. boil for four minutes to kill off any nasties. bear in mind this won't remove all polutants, something like mercury will not be affected by boiling. A nano filter (...


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Once I was advised not to drink too much, but rather just sips, to get rid of the thirst: a camelback + a drinking tube in your backpack should be handy in this case. Of course, apply with reason: do not get yourself dehydrated! drink a lot before the trek (as advised in other answers), and not only: being well-hydrated in general is good for your health (...



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