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Hardness calculator

1. enter value
2. select unit
3. read off the result
Hardness range -
German degree 0.00 °dH
French degrees 0.00 °f
American degree 0.00 ppm CaCO3
English degree 0.00 °e
Alkaline earth ions mmol/l 0.00 mmol/l
Alkaline earth ions mval/l 0.00 mval/l
The use of the calculation results of the water hardness calculator is at the sole risk of the user.