Based on what Rifleman1776 said about "stir and skim the melted lead frequently", I am going to
Before skimming:
After skimming: (not perfectly skimmed but this is the general look you want.)
Crud and gunk will form on the surface of the melted lead in the pot after a little while. You want to skim the solids chunks off the top and you will be left with a shiny molten lead liquid surface.look for videos, to specifically see what the visual is, regarding what we SEE when we need to SKIM.
Before skimming:
After skimming: (not perfectly skimmed but this is the general look you want.)