Kleen Kanteen or SIGG??

Personally I use SIGG. I chose them over Kleen Kanteen because you can put acidic beverages in them (stainless steel can leach nickel and chromium with acidic beverages. You can easily find this info on stainless steel via Google. Kleen Kanteen says all beverages are safe but they don't give reference to any independent testing for their stainless steel which I'd like to see.) and SIGG's sports caps are leak proof whereas KK's can leak http://greenbeans.ca/GB-KKFAQ.htm

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I think either bottle is an excellent choice though. Here is some info on independent testing of the SIGG lining (wow, I've been posting this link a lot today!) http://www.reusablebags.com/news.php...details&id=144

I also found these today http://www.newbornfree.com/Catalog.aspx?categoryid=8758

Test Results direct from Klean Kanteen
Klean Kanteen Lab Results Are In!!! Klean Kanteen is made from 304 L.N. Stainless steel which is grade blended specifically for: food preparation, dairy, brewing, various medical uses, and use where mineral migration is unacceptable.
This Stainless steel is put through a passivation / electropolishing process which seals the surface and prevents minerals from migrating into the contents. (The Klean Kanteen stainless steel water bottle goes through this process.)
To prove this Klean Kanteen had Monarch Laboratories do a 48hr sterile water test at room temperature. Test Report #222812 and NO - (0 ppm) Nickel could be detected.

my vote is klean kanteen. aluminum seems sketchy, though sigg seems to be concerned about it and has tested, so it is probably a fine alternative....

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Those test results seem to imply they used sterile water in the bottles? If that's the case, stainless steel doesn't leach nickel or chromium into water. The leaching occurs with acidic beverages and foods such as tomato juice/sauce, apple juice, isotonic sport drinks, etc.

Just to clarify, the inside of SIGG bottles that touches the beverage is a coating of epoxy phenol resin, the aluminum does not touch the beverage.

Does anyone have a full test result list for SIGG or Klean Kanteen?

When I google I end up with more message board discussions: I followed the link to the german testing site but once I had it translated I found that I would have to buy the test results.

" I just downloaded a test result for aluminium bottles from www.oekotest.de. Stiftung Oekotest is a German testing agency, like Consumer Reports, but everything is tested for environmental friendliness and health concerns. The SIGG aluminium bottle they tested received very good ratings: it leaks minimal traces of aluminium at room temperature, more at higher temperatures (thats why you should protect it from heat and not use it with hot drinks as stated in the manual that comes with the bottle), there was no bisphenol A found, no diethylhexyphthalate, no vinyl. With this it did quite good in the test. They consider traces of aluminium less dangerous than the stuff plastics usually leak."

"I forgot to mention that the Sigg bottles were tested with a slightly acidic solution, as it is common in Germany to mix sparkling water with fruit juice as a refreshing drink. Under those circumstances the bottles leaked aluminium (aluminium leaks with acidy and fatty foods)."

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This is very interesting. I just invested in a whole set of stainless steel cookware and traded in plastic storage bowls for glass only to find out a few days later that stainless steel may not be the best option and plastics may not be of the devil. That being said . . . ds gets only cool water in an Avent sippy cup and no juice yet if ever. I was thinking about getting the Kleen Kanteen 40 ozs. water bottle for myself and a small one for him . . . I'm interested to know if anybody has anything else to add to boongirl's comments (thanks for posting that boongirl).