Water Requirements
Water Requirements| Only tap water of drinking quality may be used. | -- |
| Appearance | colorless, clear |
| Residue | without suspended matter |
| pH value | 6.5 - 8.0 |
| Total Hardness | max. 357 PPM Calcium Carbonate |
| Chloride content | max. 100 mg/l |
| Sulfate content | max. 100 mg/l |