United Salt Corporation (USC) 4800 San Felipe , Houston , Texas 77056 USA About Solutions products Companies United Salt Corporation (USC) Products USC Tru-Soft - Crystal Water Softener Salt USC Tru-Soft - Crystal Water Softener Salt From Agriculture Products 0 Share USC's solar crystal water softener salt is a pure white crystalline product selectively harvested from our crystallized salt bed in Carlsbad, New Mexico. Most popular related searches water softening salt water softening salt product water softening water softener water softener product solar product solar water Details: Details: Category: Water Softening Product Type: SOLAR Package Sizes: 40 lb. Polly Bag 50 lb. Polly and Paper Bag 80 lb. Polly and Paper Bag Customer reviews No reviews were found for USC Tru-Soft - Crystal Water Softener Salt. Be the first to review! Add your review Publish your review Great! review successfully added!