My lead pot exploded 15 minutes ago. What a mess.
This won't be a very useful safety warning though, unless I can figure out the cause.
I was spooning sprues ( some probably still warm) into the unplugged but still molten pot as I dipped them out of a metal coffee can with a tablespoon. As far as I know exactly as I have hundreds of times before, including once at about the same time yesterday. When boom and about half an inch off the top of the full pot flew in all directions. The only causalities were a flannel shirt, one lens of my glasses, and my pride.
I have a messy clean up of a variety of tools, the floor and eight feet up the window behind the pot. Don't know how the flying lead avoided hitting my face, the only bare skin available. My beard and old man busy eyebrows caught some of it but no burns.
There is never any water in the shop and wasn't any today except in me but I didn't have a runny nose and wasn't leaning over the pot.
The last bit of lead in the coffee can yesterday was dumped directly into the pot so it was empty today. However, I did scrape up some of the bits and pieces of lead on the floor and dumped it in the coffee can today and my best theory so far is that a lost primer was scraped up with the lead near the pot. I don't drop many primers and am pretty anal about hunting them down. Also where I prime is about 8 feet from the lead pot but they are round and can roll. I suppose a spider, or other life form could have been in the coffee can. Any theory is better than none.
I would appreciate your thoughts on what might have happened so I can avoid a repeat. Once is enough.