I didn't get it either, until Russell explained, so I'm glad you asked.
Don't mind me.... I'm a little slow today.![]()
I think "e-liquid" scribbled on the bottle is more than sufficient. Probably shouldn't write "neurotoxin" or "WMD component" on the label.What are the requirements for labeling juice? DIY I mean. What kind of label, & what has to be on it?

I've carried liquid in unmarked bottles with no problem.
It's Seasonal Affective Disorder, which gives it the appropriate acronym SAD.Seasonal Effective Disorder.
I really enjoyed the BeeGees right up to the point that they went disco falsetto.ah ah ah.... stayin' alive, stayin' alive...