Winemaking Tool
Sulfite Calculator
Calculate precise potassium metabisulfite additions based on your wine's pH and target free SO₂.
Recommended: 25–35 ppm for white, 20–30 ppm for red
KMS to Add
0.99 g
Campden Tablets
2.0
Molecular SO₂ at pH 3.5
0.70 ppm
Target: 0.5–0.8 ppm molecular SO₂