| Conductivity max .: | 50 to 300 µS / cm |
|---|---|
| PH value: | 6 – 8 |
| Hardness: | 4 – 7 ° dH |
| Oxygen max .: | 4 – 6 mg / l |
| Aggressive carbon dioxide: | 0 does not exist |
| Chloride max .: | 4 – 5 mg / l |
| Sulphate ions max .: | 50 mg / l |
| Nitrate max .: | 10 mg / l |
| Chemically: | neutral |
| Mechanical mesh size: | 0.3 mm |