RO Unit on a well

[bassman]

Originally Posted by Slick Fork

My understanding of a softener is that it just replaces some minerals with others to make the water "feel" less hard, but I'm not 100% on that one

Just read up on it, softeners mainly remove calcium and magnesium ions.

When an ion exchanger is applied for water softening, it will replace the calcium and magnesium ions in the water with other ions, for instance sodium or potassium.