Loaded with major ions — the essential minerals (Ca, Mg).
Buoyancy
Standard buoyancy
LowHigh
Soft water — natural, classic buoyancy.
BicarbonatesSodiumCalcium
Nakhodishte na Mineralna Voda 'Sofia-Tsentar' — 'Mineral Water Deposit Sofia-Centre' — is a naturally occurring bicarbonated mineral spring located in the heart of Sofia, Bulgaria's capital city, where geothermal activity brings naturally warm and mineralised water close to the surface in one of Europe's most unexpectedly geothermally active urban centres. Sofia has been associated with mineral springs since the Roman era, when the city was known as Serdica and its hot springs attracted settlers from across the empire; the mineral water of Sofia-Tsentar continues this extraordinary tradition. The deposit represents a remarkable natural resource embedded within a modern European capital, offering authentic mineral water in an urban context.
Insider tip — Sofia's central mineral water source is one of Europe's most urban spa experiences, with hot bicarbonate springs emerging directly beneath Bulgaria's capital city at up to 87 C before being cooled for public use. The Sofia-Tsentar mineral water facility supplies public fountains and baths in the city center, a tradition dating to Ottoman-era bathhouses. Locals queue daily with bottles at the free public taps on Georgi Benkovski street. The Central Mineral Baths building nearby is a stunning Art Nouveau monument worth visiting even if you don't bathe.
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