Gerolsteiner vs San Pellegrino

Germany’s mineral heavyweight against Italy’s table star. Gerolsteiner is nearly three times as dense (TDS 2500 vs 853) with a huge bicarbonate load (1808 mg/L) that keeps it improbably round for its weight — plus 104 mg/L magnesium, over the taste threshold, so a genuine tonic edge sneaks in. San Pellegrino is drier, not rounder: its mineral character comes from sulfate, and its bead is finer.

Pick Gerolsteiner if you want maximum mineral payload that still drinks smooth — and you like that faint bitter grip. Pick San Pellegrino for a lighter, drier, more food-flexible glass.

Full profiles: Gerolsteiner · San Pellegrino. All values mg/L from the analyses cited on each water’s page.