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- Jun 16, 2003
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An interesting and informative read on wilderness water sanitation:
http://www.rei.com/learn/expert-advice/water-risks.html
As this site points out, symptoms of giardia infection can appear in as little as two days.
The State of Maine says Giardia is found in every county of that state. It is spread by mammals and birds.
CDC, WMS, USEPA, Red Cross, Mayo Clinic all agree that iodine and regular chlorine greatly reduce risk but are not reliable against parasites like giardia and cryptosporidium because those critters form resistant cysts.
Still, whether you can make water 100% safe or not, you have to hydrate. So you do the best that you can.
Would not fit in the stylish Altoids tin, but the "disposable" aluminum pans that lots of prepared foods come in work for boiling and weigh almost zip. I am looking at one now that contained pasta, and it holds about 2 cups and weighs under an oz. Lots tougher than foil.