My dad built a musket for the Bicentennial in 1976. We collected lead for him to melt into shot for it. The final straw for my mom, was when he used the Tupperware cake thingy to mix the gunpowder.
The pots will clean up fine......soak with white vinegar/water/ dish detergent solution if need be.
Or, take out to my shop and load corn cob media in my sandblaster...
@bigpawbullets That always works for me as well..