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AR15.COM
2/24/2012 2:47:27 PM EDT
What is the shelf life?

How many last for how long?
2/24/2012 3:07:29 PM EDT
[#1]
Uh
Which kind and brand?
2/25/2012 5:15:35 AM EDT
[#2]
I  think everything but the iodine crystals has a finite shelf life.   As a result I keep just a few chlorine dioxide tabs on hand for compact, inexpensive kits. For longer term  I would rely on mechanical filtration.
2/25/2012 5:14:05 PM EDT
[#3]
Quoted:
Uh
Which kind and brand?


Katadyn MicroPur Tablets