Quézac
Quézac is a sparkling natural mineral water from Ispagnac, in the Lozère department of Occitanie, southern France. The source sits in the gorges of the Tarn river. The brand is owned by Danone.
Mineral composition
| mg/L | |
|---|---|
| Calcium | 241 |
| Magnesium | 95 |
| Sodium | 255 |
| Sulfate | 143 |
| Chloride | 38 |
| Bicarbonate | 1685 |
Compositions can vary by season and source. Read our methodology.
Mineral character
Quézac is heavily mineralised. Calcium is 241 mg/L, magnesium 95 mg/L, sodium 255 mg/L, sulphate 143 mg/L, chloride 38 mg/L, and bicarbonate 1,685 mg/L. Hardness is 993 mg/L as CaCO₃. The profile is dominated by bicarbonate and high calcium, with elevated sodium and magnesium. The database notes record naturally occurring fluoride at 2.2 mg/L. The French regulatory threshold above which infant formula use is contraindicated is 1.5 mg/L; Quézac exceeds this and carries a label indication that it is not suitable for infant feeding.
Use-case suitability
- CoffeeNot used in any current coffee recipe. Hardness 993 mg/L is above the 9–266 mg/L range of these targets.
- TeaNot used in any current tea recipe. Hardness 993 mg/L is above the 37–59 mg/L range of these targets.
- BrewingNot used in any current brewing recipe. Hardness 993 mg/L is above the 26–922 mg/L range of these targets.
- BakingNot used in any current baking recipe. Hardness 993 mg/L is above the 46–390 mg/L range of these targets.
- AquariumNot used in any current aquarium recipe. Hardness 993 mg/L is above the 35–212 mg/L range of these targets.
- HorticultureNot used in any current horticulture recipe. Hardness 993 mg/L is above the 12–54 mg/L range of these targets.
Where to buy
FR
Carrefour, Leclerc, Auchan, Intermarché
€0.55-0.75 per litre
Available in France. As of March 2026.