Crush in Crushing it, with SO2 | Midwest Grape and Wine Industry Institute
Additions of SO2 in winemaking post-fermentation are based on the pH of the wine to determine the amount of free SO2 necessary to achieve a 0.8 part per million (ppm) molecular concentration to protect wines. At crush, a rule of thumb is used. Generally, 25-75 ppm SO2 added to must/juice will keep microbial load and enzymatic browning in …
![](/image/whatsappp.png)