How To Make Wine Less Acidic

Have you ever tasted a wine that was just a bit too tart or sharp? It may have been too acidic for your liking. As a wine enthusiast, I understand the importance of achieving the …

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Have you ever tasted a wine that was just a bit too tart or sharp? It may have been too acidic for your liking. As a wine enthusiast, I understand the importance of achieving the perfect balance of flavors in a glass of wine. In this article, I will share some of my personal tips and tricks for making wine less acidic, allowing you to enjoy a smoother and more harmonious tasting experience.

Understanding Acidity in Wine

Before diving into the process of reducing acidity in wine, it’s important to understand what causes acidity in the first place. Acidity in wine is primarily due to the presence of natural acids, such as tartaric acid, malic acid, and citric acid. These acids contribute to the overall flavor profile of the wine, but when present in excess, they can overpower other flavors and create a sharp sensation on the palate.

Choosing Lower Acid Grapes

One of the initial factors to consider when aiming to reduce wine acidity is the selection of grapes. Grapes with lower acid levels naturally produce wines that are less acidic. Varieties such as Merlot, Viognier, and Chardonnay tend to have lower acid content, making them suitable choices if you prefer a milder wine.

Adjusting pH Levels

Winemakers have the ability to adjust the pH levels of wine to make it less acidic. This can be achieved through a process called deacidification, which involves adding substances such as calcium carbonate or potassium bicarbonate to neutralize some of the acidity. It’s important to note that this should be done with caution, as over-deacidification can lead to undesirable changes in the wine’s flavor profile.

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Malolactic Fermentation

Another method for reducing wine acidity is through malolactic fermentation. This secondary fermentation process converts harsh malic acid into softer lactic acid, resulting in a smoother and less acidic wine. Winemakers often use specific bacterial strains to initiate this fermentation, allowing for greater control over the final acidity of the wine.

Blending Techniques

Blending different wines or grape varieties can also be an effective way to mitigate acidity. By combining a high-acid wine with a lower-acid one, or even adding a small amount of a sweeter wine, the overall acidity can be balanced out, resulting in a more enjoyable drinking experience.

Time as a Factor

It’s worth mentioning that allowing wine to age can naturally lead to a reduction in acidity. As wine matures, the acids present in the wine gradually soften, leading to a smoother and more integrated flavor profile. This approach requires patience, but the resulting difference in the wine’s acidity can be quite remarkable.

My Personal Journey

Throughout my own exploration of wine, I’ve had the pleasure of experimenting with these methods to tailor the acidity levels of various wines to my own preference. Whether it’s through adjusting pH levels, encouraging malolactic fermentation, or simply selecting grapes with lower acidity, the art of making wine less acidic is both a science and a form of expression.


By understanding the factors that contribute to wine acidity and employing the techniques discussed, it’s possible to transform a high-acid wine into a more balanced and enjoyable beverage. Remember, the journey of refining wine acidity is an opportunity for creativity and discovery, ultimately leading to a heightened appreciation for the intricate nuances of winemaking.

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John has been a hobbyist winemaker for several years, with a few friends who are winery owners. He writes mostly about winemaking topics for newer home vintners.
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