You might know what I'm talking about. If someone is curious I can take a pic of some of mine
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Yeah I use the sawyer too. It connects to like 90% of disposable bottles from quick trip. Coke, Pepsi, a lot of water bottles, etc. I love it.Ya I'm aware I actually use the sawyer. Believe it or not it connects to camelbacks water bottles and some other nifty items
Lifestraw is NOT a purifier it is for water FILTRATION. These are two things that are so commonly mistaken it is ridiculous considering it could cost you your life. I have NOTHING against Lifestraw or Patronus I just want to make sure that you understand the difference between filtration and purification. In a SHTF scenario purification is the route I am taking regardless of the additional weight or inconvenience as my life may truly depend on it.
Interesting article. I like all the info.While technically correct this is still wrong. Ultrafiltration IS purification. Conventional filtration only works using chemicals(aluminum sulfate) to induce "flocculation" which creates particles clumps that can then be bound together using a coagulating agent such as a polymer. That's the only way to make the solids into large enough particles for a conventional filter to trap them. An "ultra filtration device traps particles so small that coagulating agents aren't needed. And when they trap small enough they actually replace the deactivation process of chlorine or ultra violet light and act as complete purification via ultrafiltration. Reverse osmosis is filtration that need NO other processes to purify. It is called nano filtration and allows nothing larger than the size of a single molecule of H2O to pass through. Now is that filtration or purification? One and the same.
" When you suck on your LifeStraw, water is forced through hollow fibers, which contain pores less than 0.2 microns across -- thus, a microfiltration device.
Vestergaard Frandsen says a personal LifeStraw unit should be able to purify about 1,000 liters (264 gallons) of water -- 2.7 liters (0.7 gallons) a day -- meaning that it will last a year before it needs to be replaced. There are no replacement parts; users must get a new unit each year."
"
LifeStraw Family is a larger unit that can purify enough water for several people at once. This higher-capacity product can handle a family of five for three years, or roughly 18,000 liters (4,755 gallons), according to the company. The product consists of a blue bucket with a prefilter insert, a long plastic tube and a filter cartridge with a tap attached to draw out the water. No electricity or battery power is required. Gravity guides water through a series of filters. The user pours water into the prefilter and bucket at the top of the unit. The water then moves down the tube and runs through the same type of hollow fiber technology that the personal LifeStraw uses, but these pores are actually 0.02 microns across, which makes it an ultrafiltration device. (It also means the family unit can filter out viruses, while the personal one can't.) The user can then pour the newly purified water from the tap. The person can clean the filter by closing the tap and pressing a red squeeze bulb to release the collected residue and can use a rag to wipe the prefilter bucket. LifeStraw Family can filter about 9-12 liters (2.4 to 3.2 gallons) of water per hour"
http://science.howstuffworks.com/environmental/green-tech/remediation/lifestraw1.htm