Paris water is considered to be borderline hard. According to current data, the hardness of Paris tap water falls between 20 and 30 degrees French (80-120 mg/L of calcium). This level of hardness means it's likely to cause some limescale buildup.
Here's a simple breakdown:
- Hardness Level: 20-30 degrees French (80-120 mg/L of calcium)
- Impact: Likely to cause some limescale
Therefore, while not excessively hard, you should anticipate some effects of hard water when using tap water in Paris.
