What does the PH level in wine indicate?

The pH level in wine indicates the degree of ripeness of the grapes and the color of the grapes and wine. Maintaining the correct pH also helps prevent spoilage by inhibiting the growth of unwanted microorganisms. Generally, the preferred pH of white wine is 3.0 to 3.5, while the preferred pH is 3.3 to 3.8. It is more suitable for red wine.