“Istisu” mineral water is renowned for its rich and balanced composition, formed under unique natural conditions. The water's composition has been analyzed by accredited local laboratories and authorized state organizations in Azerbaijan, as well as by the laboratory of SGS Institute Fresenius GmbH in Germany. It has been thoroughly studied by several specialized state institutions of the Republic of Azerbaijan and local scientific researchers. Additionally, international organizations and experts in balneology have provided their evaluations of the water’s content: Professor Dr. Christoph Gutenbrunner of Hannover Rehabilitation Service and Sciences Consulting GbR (Germany), and Professor Dr. Müfit Zeki Karagülle, Honorary Professor of Medical Ecology and Hydroclimatology and Chairman of the Turkish Association of Spa Medicine and Balneology (Turkiye).
| Components | Concentration |
|---|---|
| HCO₃ ⁻ | 2720-3320 mg/l |
| SO₄²⁻ | 750-920 mg/l |
| Cl⁻ | 240-290 mg/l |
| Na⁺ | 1360-1670 mg/l |
| Ca²⁺ | 110-140 mg/l |
| Mg²⁺ | 20-30 mg/l |