 Just click the microphone of the WBOB app and send us your shout-out. That guy that you guys just had on, he was 100% right. Download the app today from the App Store, the Google Play Store, or WBOB.com. I'm Mark Kinder with Affordable Water. There's a process in water treatment called ion exchange. This process actually removes hardness using very little salt with our demand-metered systems. Our dual-media system softens and filters water for your home or business.