Tag Archives: cool climate wine

Selecting Low-Acid Wine

bottles on shelf

Question from John: My wife and I enjoy wine but increasingly she is effected by high acid. Are there any specific brands that you would suggest that are low acid taste good reasonably priced? Both red and white? Thanks for your help.

Reply: Hi, John. Thanks for writing. I’m afraid that wine is acidic by nature. Virtually all of the world’s wines fall between 2.8 and 4.0 on the pH scale.

Pardon my digression, here, for those unfamiliar: On the pH scale, zero is acid (battery acid), seven is neutral (water) and 14 is alkaline (lye, Drano). W

Whites are most often between 2.8 and 3.6 and reds between 3.3 and 4.0. The higher the pH the more bacteria-friendly the environment, meaning an increased risk of spoilage, so this is simple reality for winemakers. Above 3.8 and color stability is compromised. Plus, of course, the wine tastes better when the acid is balanced.

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Warm Climate, Cool Climate

Harvest

Last time I waxed eloquent about our lovely morning fog here in Napa Valley. Of course, we haven’t had any since then…

Anyway, I thought it might be a good time to take a closer look at how climate influences your enjoyment. That’s what it’s all about, right?

As we said before, world wide, the best winegrowing regions tend to have Mediterranean climates and the growers in each region want the same thing: enough sun and heat to bring the grapes to complete ripeness, but not so much that they lose too much acidity along the way. And, each region has its challenges.    

If you like to garden, you know how seasonal temperatures affect the ripening pattern of your fruit and vegetables. Imagine trying to ripen tomatoes on your patio if you live San Francisco, where it’s foggy daily in the summertime, and temperatures rarely rise above 65F.  Those are going to be some tart, green tomatoes, right?  The same thing applies to grapes. They start out with high levels of acid, low levels of sugar, and relatively vegetative flavors. As the weeks go by they gain fruitiness and sweetness, and the acid decreases, provided they get enough heat and sun. So, depending upon where they’re grown they’ll ripen slowly or quickly and end up tasting more or less ripe since the level of sugar and acidity is affected.

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