We have analyzed bottles with and without copper linings, and thus far we haven’t identified any benefit to making use of copper. The Yeti Rambler is “created with a copper plate to guard towards UV,” according to its PR, but neither Klean Kanteen nor Hydro Flask features any copper in http://invigorated-water-ph-rest55443.blogsmine.com/12530894/gallon-water-bottle-can-be-fun-for-anyone