The Water Dictionary

Fonter

SparklingAmer, Girona, Spain

Fonter is a sparkling natural mineral water from Amer, Girona, in Catalonia, Spain. The brand is owned by Danone. The CNTA (Centro Nacional de Tecnología de Alimentos) conducted an analysis in 2018 which is cited in the TWD database as a source.


Mineral composition

mg/L
Calcium89
Magnesium26
Sodium9
Sulfateawaiting data
Chlorideawaiting data
Bicarbonate313

Mineral data incomplete — check the label for full composition.

Compositions can vary by season and source. Read our methodology.

Mineral character

The profile is incomplete: sulphate and chloride are not recorded. Available figures show calcium 88.8 mg/L, magnesium 25.8 mg/L, sodium 9.2 mg/L, and bicarbonate 313 mg/L. Hardness cannot be fully calculated without the missing ion data. The partial profile indicates a moderately mineralised sparkling water with elevated bicarbonate and low sodium.


Use-case suitability


Where to buy

ES

El Corte Inglés, Carrefour ES

€0.28 per litre

Available in Spain. As of March 2026.