I just got a new aluminum brewpot. I filled it with regular tap water and boiled for 30 minutes to build the oxide layer. I filled the pot almost to the top and heated on a stove, and to get it up to a nice rolling boil I had to cover the pot while it was heating, and uncovered once it got to a full boil. I shouldn't have this problem as much while brewing, since I had almost twice as much water as I would normally boil. After I emptied the water and dryed it, it smells a little bit like chlorine, but maybe this is just what Aluminum Oxide smells like? All of the chlorine should have evaporated off during the boil right? The only thing I could think of was maybe an Aluminum Cloride precipitate formed during the boil, and is giving off this smell, which I think could easily be removed with a good cleaning.