The water hardness in Erlenbach bei Dahn (76891) is approx. 4 °dH and is therefore soft in the hardness range.
With soft water, the likelihood of limescale formation is relatively low.
As a rule, you do not need a water softening system.
This value was calculated from the neighbour cities.
The average water hardness in Rheinland-Pfalz is 15 °dH.