Loaded with major ions — the essential minerals (Ca, Mg).
Buoyancy
Standard buoyancy
LowHigh
Soft water — natural, classic buoyancy.
BicarbonatesSodiumCalcium
Vízfeltörés — 'water uprising' or 'water outbreak' — describes a natural artesian phenomenon in the Pannonian Basin of Hungary where geothermal water under natural pressure breaks through the surface without any pumping required, creating a self-flowing thermal spring or fountain that has been used for bathing or drinking. Hungary's extraordinarily productive Pannonian geothermal system includes many naturally artesian zones where water from the deep aquifer rises spontaneously due to hydrostatic pressure, and the bicarbonate-rich water emerging at such sites often has sufficient temperature and mineral content for therapeutic use. These natural artesian expressions are among the most valued thermal water sources in Hungarian spa culture.
Insider tip — Another geothermal upwelling in the Tolna County lowlands, this vízfeltorest (water eruption) marks a natural pressure point in the Pannonian Basin aquifer where artesian conditions push warm bicarbonate water toward the surface. The flat Tolna Plain allows groundwater to build significant hydrostatic pressure from recharge areas in the distant Transdanubian hills. Local bathing facilities take advantage of this reliable thermal output for year-round pools serving the surrounding agricultural communities. The quiet rural character of the setting makes it a genuine local spa experience away from major tourist flows.
