Hillhopper and otehrs...
You are right about that 6.25 per 40 lb price - that is real nice. I will not be shopping around as long as I can get it for that.
I did turn up some good news on the USG gypsum products this morning after spending more time on their website looking at detailed documents on their gypsum products.
USG supplies gypsum to several producers that ends up making different brands for resale.
One of the other brands is Ben Franklin.
I found the statements below on that product...
BEN FRANKLIN? Agricultural Gypsum
Better Soil. healthier root systems, deeper water infiltration and higher yield and profits. That's what you have when USG is your high purity supplier. Our selective quarrying assures consistent quality-all natural, environmentally safe agri gypsum.
A natural supplement, BEN FRANKLIN Agricultural Gypsum
is made from quarried anhydrite and gypsum rock, which is
crushed to convenient sizes for agricultural use.
I also did more looking around on the Sof'n-Soil Gypsum page and documents and found the info below stated on them...
I am glad to see on the product that I have been using (and have now found a good source for at a very decent price) that they are describing Gypsum as a natural mineral that is mined or quarried.
In a couple of places they also call it a \"natural\" soil conditioner.
Think I will stop the research at this point and just use the Sof'n-Soil product. I think it has checked out well enough.