Are there any affordable water conditioners on market that would treat hard water without using salt?

Water Filter USA has a Pelican system selling for $1495.00
The Pelican NaturSoft Salt Free Water Softener is the most environmentally conscious hard water softening/conditioning system available. The NaturSoft system prevents the calcium & magnesium minerals in your water from forming hard water scale in your plumbing, preventing the clogging of shower heads, faucets and loss of water pressure. The Pelican NaturSoft system also actively removes any existing hard water scale formation in pipes and water heaters


Ebay has a ScaleWatcher softener selling for $554.00
ScalewatcherTM is the Original and number 1 selling electronic water conditioner in the World. ScalewatcherTM  is the

sole patent holder of this technology in the United States, Canada, Europe and Africa. For over 18 years, tens of thousands

of satisfied people around the World have chosen ScalwatcherTM. Many major industrial and commercial companies using our

patented technology such as, Ford, Hewlett Packard, General Electric, Phizer, Starbucks, Holiday Inn, just to name a few. Even

4 U.S. Navy Destroyers are outfitted with Scalewatcher's industrial marine version. Residential, Commercial or Industrial, we

have the right unit to meet your specific needs.