Differences between a salt-free and salt water softener

What are the differences between the Pelican NaturSoft Salt-Free Water Softener/Conditioner and a traditional salt-based water softener ? Pelican NaturSoft Salt-Free Water Softener/Conditioner Principle: The Pelican NaturSoft Salt-Free Water Softener/Conditioner causes a physical change to the minerals. The minerals are breaking apart from the water molecules and bond together. Operating on principles of polarity, the [...]