Surprise® Water source is in Hungarian Carpathian Mountains which is one the richest water site in Europe. There are more than 120 wells in Hungary that provide certified (EU) mineral water. Balfi mineral water which is (after filtration) used for Surprise® Water was mentioned in a document already in 1199 and the healing effect of drinking it was proved during the reign of Maria Theresa. By filtration is the amount of minerals determined on 59 mg/l which makes the water perfectly suitable for everyday drinking by adults and children.