Posted 1/13/2021 04:14 (#8746968 - in reply to #8744401) Subject: RE: Sulfur Sources for Dummies
South Central Illinois
I was not aware the Gypsum contained Sulfur when mined?
Gypsum is used in the Scrubbers of power plants.
This absorbs Sulfur.
Then the Sulfur laden Gypsum is sold to farmers.
Not really sure what form of Sulfur is in the Gypsum when mined?
I will guess that it is Elemental.