Glossary & Terminology
- GPM, GPH, GPD
The rate of water flow in GPM (gallons per minute), GPH (gallons per hour), or GPD ( gallons per day).
- Ion exchange
A process by which undesirable ions in water are exchanged for more beneficial ones. Resins are used to help this process in softener systems. The use of either Anion or Cation resins help with different processes or purposes and materials found in the water.