Originally Posted by Scut_Monkey
How do you know if it's a real growler and what are they rated for? Curious as I have what I believe to be a real one.
I can't speak with autority, but if you have one like as pictured in that link, that's a real one. (Brown amber bottle with a flip-top air-tight lid.)
If your growler looks like a simple glass "moonshine" jug that you might find apple juice in at your grocery store, then it's just a jug and is probably not meant to handle pressure.