Originally Posted by
Trsnrtr
I've told this story before but I'll tell it again. We used to melt paraffin over an open fire in a stove top coffee pot to seal soil sample tubes in the field.
We would blow up 3-4 coffee pots a year.

Yeah, I either do it on the side burner of the gas BBQ pit outside and/or put the can in a pot of water to heat it.