Var kan du hitta mer information om vattenavhärdningssystem?

- Water Quality Association:www.wqa.org

- Water Treatment Dealers Association:www.wtdanational.org

- The Home Water Treatment Council:www.hwtc.org

- Konsumentrapporter:www.consumerreports.org

- WaterSofteners.com:www.watersofteners.com

Statliga resurser:

- Environmental Protection Agency (EPA):www.epa.gov/safewater/water-softeners

- U.S. Geological Survey (USGS):www.usgs.gov/mission-areas/water-resources/science/water-quality-and-health/water-softners

Tillverkarresurser :

- Kinetico:www.kinetico.com

- Culligan:www.culligan.com

- WaterBoss:www.waterboss.com

- GE Water:www.geappliances.com/water-filtration

- Pentair:www.pentair.com