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10-05-00, 08:15 PM
I bought a quite expensive stainless steel vacuum flask. Few days ago I dropped a small plastic packet of food into the flask but I didn’t notice that there were few rusted stapler bullets on it. After few hours, I was so angry of myself that the inside surface of my flask has rust stain on it. I tried very hard to clean it but failed. Now I’m afraid of using the flask because of the rust stain that I think may give me some health problems if I ignore them. PLEASE HELP ME TO REMOVE THAT STAIN.

10-07-00, 05:35 AM
See answer in cleaning forum.