[Cdt-l] Iodine water treatment

Bob BobandShell97 at verizon.net
Tue Mar 30 12:58:36 CDT 2010


Something to ponder:   

 

For several years, Potable Aqua (iodine tablets) has said on the bottle that
iodine is ineffective against cryptosporidium.   Google "Iodine vs
cryptosporidium" or however you want to word it.  I stopped checking after
the first two entries, below.

 

http://www.outdoorsafe.com/safewater.htm     "Iodine is NOT an effective
halogen when Cryptosporidium is present in the water."



http://findarticles.com/p/articles/mi_qa3912/is_200501/ai_n9478285/
"Using two different challenge waters and excystation to evaluate
infectivity, Gerba et al.3 reported that iodine tablets inactivated only 10%
of the oocysts tested given a 20-minute exposure and approximately 70% given
a 240-minute exposure time."

 

There may be more recent research to the contrary, but it is something to be
aware of.     Iodine seems effective against everything else.

 

Dr Bob 

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