Tell us about yourself!
If you watch his video again, notice that he only drilled two holes for the wire to fit through. There are no other holes that I can see.
I watched the video and noticed a difference in your design. In your bottle, there are holes on the top, presumably for air. If you watch the video with this in mind, you won't see any air holes, due to the fact that the bottle already has an opening that provides air.