Wine pH can affect the stability, flavor, and overall quality of the wine. To fix pH issues in wine, you can try the following:

  1. Add acid: If the pH of the wine is too high, you can try adding a small amount of acid (such as tartaric acid or citric acid) to lower the pH. Be sure to add the acid in small increments, and taste the wine as you go, until you reach the desired pH level.
  2. Add tannins: If the pH of the wine is too low, you can try adding tannins to increase the pH. Tannins can be added in the form of grape skins, stems, or seeds, or you can use a tannin powder.
  3. Use pH adjusting agents: There are a number of commercial pH adjusting agents that can be used to adjust the pH of wine. These agents are usually added in small amounts and can be effective at raising or lowering the pH of the wine.
  4. Blend with another wine: If you are unable to adjust the pH of the wine to your satisfaction, you may consider blending it with another wine to achieve the desired pH level.

It’s important to note that pH adjustment is a delicate process and it’s important to be precise and take small steps when adjusting the pH of your wine. Over-adjusting the pH can have negative consequences on the flavor and overall quality of the wine.