|An old pot on a very modern stove top|
1/2 cup salt or more
1/3 cup vinegar
and a little water if you want to use less vinegar
Do your cleaning in a well ventilated area and wear gloves. My hands turned blue and the house smelled like a penny jar.
The chemical reaction does a lot of the cleaning. I left my pot to sit over night. You can prop the pot at different angles in order to avoid using too much vinegar. I would recommend using large salt as it helps with the scrubbing. I couldn't get all of the black spots out, but I figured that if I couldn't scrub it off, it probably wasn't going to leave marks on my wool.
|A sunflower from my garden|
|The sunflower bath|
|The skein before it sat in a bath overnight|
|This skein is darker in real life.|