Originally Posted by
brassrat
I still don't know if my little ingot was the problem. I think the last session, I popped in at least the, same, Saeco stamped ingot, of which, I accumulated probably 25 lbs. Everything went well. I have a USA Lyman, thermometer and have always used it. This last batch, I really slowed down to a non-counting count of 5 or so and waited until the sprue went dull. Seeing this, damp grainy mush, seemed like Twilight Zone. I do know that my thermometer barely moves when I try to check molds. Gonna bring a handheld next time. The heat confuses me, in that, this trip, the pot temp kept rising. I usually keep it in one place, all day. The mold was kept on the heat, one way or another plus casting. I hold it near my face and do feel significant heat. The, totally fresh batch, lost the frosty and gritty look but went shiny and wrinkled. This didnt make sense. The day was cooler and pretty breezy unlike any other casting day.