Originally Posted by OldmanoftheSea
Found something courtesy of the Canadians (preservation of something or other ) website:

White corrosion on lead is usually caused by exposure to volatile organic acids such as acetic acid (vinegar).(elsewhere it says acetic acid often comes from wood products)

Thanks

I store a couple of milk crates of lead outside. Eucalyptus leaves fell on them and decomposed leaving that white film. I washed it off with water, let the lead dry, and casted with ease.

Me solum relinquatis


Molon Labe