Water passes through this filtration system into a separate tank once softened.

This includes small, portable salt-based softeners that are ideal for camping and RV trips.

There are plenty of budget options, while high-end water softeners also exist in salt-based models.

Reverse osmosis water softener tank

The Spruce / Jayme Burrows

These softeners neutralize heavy minerals by stripping the negative or positive ions with a magnetic field.

Most products are very affordable and can be plugged into an available power outlet.

Some magnetic water softeners or descalers need to be hardwired into the home’s electrical system.

Rheem Preferred 32,000 Grain Water Softener

The Spruce / Jay Wilde

However, they do make a good budget option at $200 to $400 on average.

Like salt-based and TAC systems, reverse osmosis options should last between 10 and 15 years whenmaintained properly.

How Much Does a Water Softener System Cost?HomeAdvisor.

Salt-free water softener

Aquasana

Dual tank water softener

Brian Brown / Getty Images

Electromagnetic water softener

Niteenrk / Getty Images

Reverse osmosis water filtration system connected to garbage disposal under sink

The Spruce / Kevin Norris

Finger pointing to leak from in-line shower filter on running shower head

The Spruce / Adelyn Duchala