Automatic Resin based water softeners are the solution to your hard water problems. The unit of NTECH water softener consists of a tank containing resin media. These resin are covered With sodium ions. The exchange Of ions takes place on these resin beads. When hard water passes through these resin beads, exchange of ions takes place. Ions of minerals causing hardness, principally calcium and magnesium gets exchanged for sodium ions. This results in softness of water. After continuous usage, resin beads becomes saturated with ions of calcium and magnesium and has to be regenerated. The process is called Recharging which can be conducted manually or can be automated. Recharging is done by flushing saturated resin beads With strong brine solution. This solution then replaces the hardness causing mineral ions by sodium ions.