SALUTE
I have barely watched Breaking Bad
As a reminder, be sure to properly give content warnings and put sensitive subjects behind proper spoiler tags. It's for the mental health of not just your comrades, but yourself as well.
Here is a screenshot of where to find the spoiler button.
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Let's have another good week everyone 
You should stop using the vial if it has particulates in it or if the stopper is compromised. But ive never heard anything about the end of a vial being unfit for use or anything.