Gerolsteiner vs Perrier
Gerolsteiner carries roughly 19× the magnesium of Perrier (104 vs 5.4 mg/L). Overall minerality isn't close: 2,500 mg/L TDS for Gerolsteiner against 468 for Perrier — different categories of water, not just different brands. At the register, Perrier is about 40% cheaper per liter ($2.00/L vs $3.33/L).
GerolsteinerA
Sparkling Mineral WaterSparkling (natural) · GlassPerrierA
Sparkling Mineral WaterSparkling (natural) · Glass| Measure | Gerolsteiner | Perrier |
|---|---|---|
| TDS (mg/L) | 2,500 | 468 |
| pH | 6 | 5.8 |
| Calcium (mg/L) | 346 | 152 |
| Magnesium (mg/L) | 104 | 5.4 |
| Sodium (mg/L) | 116 | 9.6 |
| Potassium (mg/L) | 11 | 0.5 |
| Bicarbonate (mg/L) | 1,808 | 432 |
| Sulfate (mg/L) | 38 | 29 |
| Chloride (mg/L) | 40 | 20 |
| Silica (mg/L) | Not disclosed | Not disclosed |
| Price per liter | $3.33/L | $2.00/L |
Bold marks the higher value — higher is a fact, not a verdict; the right water depends on what you want it for. Values are label- or report-derived and approximate.
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