Quote Originally Posted by Anton View Post
Here's the MSDS...

http://www.sciencestuff.com/msds/C1447.html

"Corrosive to the eyes, skin, respiratory and digestive tracts." Don't know how dilute it would need to be to be safe but I'm not sure I would want to ingest it anyway.
More good info-that's why I stick to stuff that is specifically designed for purifying "drinking water".