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Old August 13, 2012, 04:15 AM   #8
Join Date: May 22, 2009
Posts: 33
I've had this happen with Lee bottom pour pot at first. Then I realized I was running it too hot and it was forming oxides that were eventually clogging the valve.
Now I keep it at a much lower temperature and never have to clean the valve. I also don't remove the flux from the pot until I am done casting for the night, the burned wax forms a layer on top that prevents oxidizing the lead.
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