The salt tablet produced at Hub-Pak is used for both domestic and industrial use. The salt tablets are produced using salt from vacuum salt plant. The salt tablets are also produced in two different qualities; the pharmaceutical grade and the food grade. Hub-Pak guarantees that each salt tablet produced by them is purely made of salt and can be compared to any grain of salt. Importance is put on the strength, smoothness and firmness in compaction while production of these salt tablets. The tablets dissolve when put in water, so that the uneven or un-dissolved salt does not create any problems by building up in the base of the softener.