Natural Healing Resource
The mineral water in Smrdáky is one of the most concentrated hydrogen sulphide waters in Europe (680mg/l) and has a total content of 3400 mg of mineral substances per litre.
Two sources of the cold (temperature 13 °C) hydrogen sulphide water - called Jozef I. and Jozef II. - are used at Smrdáky Spa. They are hypotonic, alkaline and slightly mineralised and contain hydrocarbonate, chloride-carbonate and sodium, with an increased content of boric acid.