Healthy mineral water of the "Erzherzog-Johann-Quelle".
The water can be bottled untreated and free of charge on site in the Marhof district.
It contains carbonic acid, calcium, sodium, magnesium, chlorine and silicic acid as well as smaller amounts of potassium, iron, lithium and sulfuric acid and traces of boric acid, aluminum, phosphoric acid and fluorine.