All these indications are scientifically and statistically proven in the perennial use of Kyustendil water treatment
The thermal water has almost constant chemical content and temperature. It is pure, colorless with a pleasant taste and smell of hydrogen sulfide. The water is with a low concentration of minerals.
As outlined in the document, issued by the Bulgarian Ministry of Health on March 8th, 2004, which gave Kyustendil the status of a SPA resort of national importance, the local mineral water has the following characteristics:
high capacity of 33 l / sec, it is hyper-thermal + 73ºC, enriched with hydrocarbon-sulphate – sodium, silicon, sulfur sulfide hydrogen, alkaline medium with pH 9.15. This makes it extremely effective for the treatment of a very wide range of health problems.