The water hardness in Offenburg - Fessenbach (77654) is 5 °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 is based on 1 values submitted by our users.
The average water hardness in Baden-Württemberg is 16 °dH.
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