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Highly acidic beverages can contribute to digestive difficulties, such as heartburn and acid reflux. So which is more acidic, coffee or tea?

What Is Acidity?

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Acids are sour and corrosive. They become more neutral when mixed with a base (alkaline). The pH scale describes chemicals ranging from extremely acidic (0), neutral (7.0), and extremely alkaline (14.0).

Coffee's Acidity

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Coffee beans grown in very high altitudes and mineral-rich soil often produce more acidity. The acid content also depends on the type and length of bean roasting and brewing method. Coffee's pH averages about 5.0,

Tea's Acidity

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Tea contains tannic acid, which becomes bitterer as the tea is steeped. Depending on the type, tea has a pH ranging from 4.0 to 6.0. Ginger tea and green tea are lowest in acidity.

Where to Find Low-Acid Products

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Many coffee manufacturers, like Puroast and Hevla, offer low acid coffee. Yunnan tea has a low acid level, as do ginger and green teas. All these products are available at grocery stores and online.

How to Make Low Acid Coffee

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Add cold water to ground coffee and let it sit for at least 12 hours. Then use the concentrate to make less acidic coffee.

How to Make Low Acid Tea

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Select caffeine-free or low-caffeine tea. Brew only for a few minutes.

About the Author

Lisanne Jensen

Originally from Indiana but now based in upstate New York, Lisanne Jensen has written professionally since 1988. Her journalism career includes government and features reporting for several Indiana newspapers, book editing, and marketing/graphic design. She holds Bachelor of Arts degrees in journalism and French from Indiana University.