Originally Posted by
JakiChan
I did some googling (which turned up a lot of links to here, actually) but didn't find a good answer:
What is the current practice with empty bottles? I've started carrying a SIGG bottle with me since the whole "bottled water evil, tap water safe" thing (although I usually filter it). If I have an empty aluminum bottle with me I'm sure it's going to be examined but will it confiscated?
Empty bottles aren't prohibited items, so you should be fine. If there is any liquid (even <3oz) then you can't take it, though.
I took an empty aluminum can through security at NRT a few months ago and they took it out briefly to inspect but seemed unconcerned.