 |
| French | English |
| correction de la dureté | water softening |
| correction de la dureté | feed water softening |
| degré de dureté | degree of hardness |
| dureté alcaline | calcium-content |
| dureté alcaline | hardness |
| dureté alcaline | alkalinity |
| dureté de l'eau | hardness of water |
| dureté de l'eau | water hardness The amount of calcium and magnesium salts dissolved in water |