Usually you can ask a store to carry an item.
You can use Walmart online ordering and pick up at store...possibly other stores too.
They must be still making it..
http://www.mortonsalt.com/for-your-h...-epsom-lotion/
[Please contact the Consumer Affairs Department at 1-800-725-8847 or at
saltinfo@mortonsalt.com to find where Epsom Salt is available. ]
where to buy-
https://www.google.com/search?q=Mort...s+Epsom+Lotion