Rheinfels Quelle is a still water from Germany. Sodium-bicarbonate type, medium mineralization. [SO4 not reported in the source data - defaulted to 0 here, not a measured zero.]
| Ion | mg/L |
|---|---|
| Calcium (Ca²⁺) | 1.7 |
| Magnesium (Mg²⁺) | 0.7 |
| Sodium (Na⁺) | 240 |
| Chloride (Cl⁻) | 124 |
| Sulfate (SO₄²⁻) | 0 |
| Bicarbonate (HCO₃⁻) | 320 |
| At a glance | |
|---|---|
| Total of these six minerals | 686.4 mg/L |
| Total hardness (as CaCO₃) | 7 mg/L |
| Alkalinity (as CaCO₃) | 262.4 mg/L |
| Sulfate-to-chloride ratio | – |
Mineral salts to dissolve in reverse-osmosis or distilled water, calculated by the BrewWaterSolver solver with the most common homebrew salts.
| Salt | 5 gal (18.9 L) | 20 L |
|---|---|---|
| Calcium chloride (CaCl₂) | 0.09 g | 0.10 g |
| Baking soda (NaHCO₃) | 9.90 g | 10.46 g |
Closest match with these salts; it can't reach Na 146.2 mg/L vs 240, Cl 5.4 mg/L vs 124, HCO3 382.9 mg/L vs 320 exactly.
Rheinfels Quelle, Walsum (Duisburg). Values from brand website. Analysis/label date: 18.03.1988. Label prints g/L; converted to mg/L.