FWIW, both Wylers and Herb-Ox sell a salt free bullion. Its just in powder versus pressed cube form.
I use it all the time, and don't miss the salt (comes in beef and chicken flavors)
Correction, the Herb-Ox is "very low sodium". I just checked the package
"Boots and Pants and Boots and Pants and Boots and Pants..." - Maxwell
Bandera, M-BGE, WSM, Gold Kettle, Kenmore Gasser, 36Qt Turkey Fryer, ECB, Dutch Oven