Gunns May 20, 2012 Share Gunns Member May 20, 2012 (edited) Don't know if you know this about me, but I am a prepper. I have been prepping for years, katrina made me step it up a bit. I have tested a lot of water filtration devices in the last few months. Berkey, Propur and others. All failed what is called the red dye test. All claimed to pass it, but none of them did. I bought them all thru Amazon so I could return them if they didn't work. Well I tested the Sawyer .1 micron water filter. It pass in flying colors. Take a look at the attachment. The glass of water that is red is the water I had in the Sawyer water bag stained with red food dye. I then passed it thru their fitler in the other glass. If you prep, you need to check out the Sawyer water filters. I will be buying several of the .1 and a few of the .02 micron filters. http://www.sawyer.com/water.html M Edited May 20, 2012 by Gunns Quote Link to comment Share on other sites More sharing options...
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