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Composition of the three waters used in the intervention study. (1)Valvert®; (2)Distilled water+MgSO4; (3)Contrex®.
| Waters Minerals/mg L | A1 | B2 | C3 |
| Calcium (Ca2+) | 67.6 | 4 | 486 |
| Magnesium (Mg2+) | 2 | 82.3 | 84 |
| Sodium (Na+) | 1.9 | 2.4 | 9.1 |
| Potassium (K+) | 0.2 | 0.1 | 3.2 |
| Sulphate (SO42-) | 18 | 326 | 1187 |
| Bicarbonate (HCO3-) | 204 | 12 | 403 |
| Chloride (Cl-) | 4 | 0.7 | 8.6 |
| Fluoride (F-)0 | <0.05 | 0 | 0.32 |
| Silica (SiO2) | 5.7 | 0 | 8 |
