Home/  Products/  Water Softening/  Water Softening Facts/  Why Softening Salt is Important       What Makes Water Hard? Do You Live in a Hard   Water Area? Why Hard Water is Hard   on You Why Soft Water is Such an   Advantage around the House How Your Water Softener   Turns Hard Water into   Soft Water Why Softening Salt is   Important Morton® Pellets with System   Saver® II Formula Make a   Big Difference in Your Water Morton® Pellets with System   Saver® II Formula Make a   Big Difference in   Your Water   Softener Potassium Chloride Pellets   Soften Your Water With Morton, Your Soft   Water Solution is in the Bag Why Softening Salt is Important When the resin beads in your softener become saturated with calcium and magnesium ions, they need to be recharged. Sodium ions from the water softening salt reactivate the resin beads so they can continue to do their job. Without sufficient softening salt, your water softener is less efficient. As a rule, you should check your water softener once a week to be sure the salt level is always at least one quarter full.