Got the Youde Zephyrus. It was a bit of a pain to get the wicking right, but after I figured it out, this thing is awesome. Only issue is, immediately after filling the tank (via the top fill option), it leaks like crazy through the AFC for a minute. I am filling it with the AFC closed, and the rba section is definitely screwed down all the way, and fully screwed into the chimney section. It doesn't leak a drop unless I'm filling it up, so the wicking isn't the issue. Can't figure out what it could possibly be. Anyone solved this issue?