The thermal, hot water supply to Gellert Spa comes from Gellert Hill. The hot spring water contains calcium, hydrogen-carbonate, magnesium, sulphate-chloride, and also sodium and with a significant content of fluoride ions.

Therapeutic suggestions for the following medical reasons:
- spinal deformity
- discus hernia
- chronic and sub-acute arthritis
- vasoconstriction
- neuralgia
- circulatory disturbances
- degenerative joint diseases
- Inhalation for the chronic diseases of respiratory organs
| Minerals in the thermal water (mg/liter) | ||
| Lithium | Li | 0,4 |
| Bromine | Br | 1,32 |
| Sodium | Na | 168,0 |
| Potassium | K | 10,1 |
| Iodine | I | 0,7 |
| Calcium | Ca | 178,8 |
| Magnesium | Mg | 65,2 |
| Fluorine | F | 1,95 |
| Chlorine | Cl | 164,4 |
| Carbonate | HCO3 | 591,8 |
| Silicic acid | H2SiO3 | 31,2 |
| Sulfate | SO42 | 401,3 |
| Metaboric acid | HBO2 | 4,0 |
| Carbon dioxide | CO2 | 228,5 |
| Total | 1846,67 mg/liter | |
| Radium emanation | 2,7 myc/liter | |
| Temperature of the water source | ~43 °C | |
Hello,
Is there a time limit we can spend in mineral water, from a medical point of view?