Loaded with major ions — the essential minerals (Ca, Mg).
Buoyancy
Standard buoyancy
LowHigh
Soft water — natural, classic buoyancy.
BicarbonatesSodiumCalcium
Zlá Voda — Slovak for 'Bad Water' or 'Evil Water' — is a bicarbonated mineral spring in Slovakia whose deliberately unflattering name reflects an ancient folk tradition of naming strongly mineralised or sulphurous springs in terms of their striking taste or smell rather than their therapeutic value. Across Central Europe, springs called 'bad water,' 'evil water,' or 'stinking water' are often among the most therapeutically potent, their pungent or unusual character a direct expression of the rich mineral content that makes them medically valuable. Zlá Voda offers the knowing visitor a mineral encounter of genuine depth, its frank name an honest introduction to a spring of real therapeutic character.
Insider tip — Zla voda, meaning bad water in Slovak, is an evocative historical name for a mineral spring in the Trencin district, reflecting early villagers' bewilderment at the unusual-tasting bicarbonate-rich water. The spring emerges at 38°C through Cretaceous flysch formations in the White Carpathian foothills. Despite the forbidding name, its bicarbonate waters have long been used locally for digestive ailments and as a table mineral water. The name is a linguistic fossil documenting the gradual transition from suspicion to appreciation of mineral springs in Central European rural culture.