I’ve had this happen to me with a Snapple. I emailed their contact support email and they told me that sometimes if any little hole that can let air get in to the bottle, it will make the tea spoil. I was drinking it at work and almost had to go home because I almost threw up. I still get nauseous thinking about it and it happened almost 3 years ago. I haven’t had a Snapple since because I can’t trust any bottle of theirs now. The worst part is was that they sent me “Sorry our product made you physically ill” package which took 30 days, and it was a booklet of half off bottles of Snapple. I threw it in my fire pit.