Does Klean Kanteen have a metallic taste?
It has been reported that a small percentage of people with discerning taste buds do notice a slightly metallic taste in the water from the Klean Kanteen, but this problem is very easily fixed. Before you use the Klean Kanteen for the first time (or any time you think there is a metallic taste) put 2-3 tablespoons of white vinegar into your Kanteen, fill it with water put the lid on and give it a quick shake, then rinse out, the vinegar will get rid of the metallic taste.