| Brands names | Total Hardness (mg/l) | Water class |
| Okar | 73.3 | moderately hard |
| Palmaraie | 73.3 | moderately hard |
| Evian | 306.6 | very hard |
| Hépar | 1860.4 | very hard |
| Volvic | 62.8 | moderately hard |
| Hayat | 64.9 | moderately hard |
| Al ain | 73.3 | moderately hard |
| Super Gulf | 96 | moderately hard |
| Courmayeur | 1653.2 | very hard |
| Mont Blanc | 82.3 | moderately hard |
| Contrex | 1475.5 | very hard |
| Thonon | 295.6 | very hard |