TL;DR - I threw away the leaky bottle and got a few used bottles to fill and use on future trips.
I hate the idea of throwing things away after a single use. So, if you have a need for propane, I recommend filling bottles yourself - from your own 20 lbs tank. That's what I did with some used Coleman 1 lb bottles that I got from a buddy. This filler/refill adapter works great, and you can get a full pound of propane into the small bottles if you freeze the bottle before you fill it.
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