How long does cold brew coffee last?

Marlin Dariel

If you’ve fallen in love with cold brew coffee, you’re not alone. This smooth and refreshing beverage has gained quite a following, and it’s no wonder why. Brewing coffee with cold water over an extended period of time results in a deliciously bold yet less acidic drink. But, as much as we love our cold brew fix, it’s important to know how long we can savor our beloved beverage before it starts to lose its charm. So, how long does cold brew coffee last? Let’s find out!

How Long Does Cold Brew Coffee Last?


Cold brew coffee has gained popularity in recent years due to its smooth and less acidic taste. Many coffee lovers prefer this brewing method as it allows them to enjoy a refreshing cup of joe, especially during hot summer months. But a common question that arises among coffee enthusiasts is, how long does cold brew coffee last? In this article, we will explore the longevity of cold brew coffee, factors that affect its shelf life, and tips to ensure it stays fresh for as long as possible.

What is Cold Brew Coffee?

Cold brew coffee is a brewing method where coffee grounds are steeped in cold water for an extended period, usually 12-24 hours. This slow extraction process extracts the coffee’s flavors and oils, resulting in a less bitter and less acidic taste compared to traditional brewing methods like hot brewing or espresso. Cold brew coffee is typically enjoyed by diluting the concentrated brew with water or milk, over ice or served as a base for specialty coffee drinks.

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Why Cold Brew Coffee Is Popular

Cold brew coffee has gained popularity due to its unique characteristics and the following advantages it offers:

1. Smooth and Less Acidic Taste

The slow extraction process of cold brew coffee eliminates much of the acidity found in hot brewed coffee. This results in a smoother and cleaner taste profile, making it more enjoyable for individuals with sensitive stomachs or acid reflux issues.

2. Lower Bitterness

Cold brewing extracts fewer bitter compounds from the coffee grounds, leading to a less bitter and more balanced flavor. This makes cold brew coffee appealing to those who find the bitterness of hot brewed coffee off-putting.

3. Versatility in Serving Options

Cold brew coffee can be enjoyed in various ways, providing versatility in serving options. It can be consumed over ice, mixed with milk or creamer, used as a base for iced coffee drinks or even utilized in cocktails. This adaptability makes cold brew coffee a favorite among coffee lovers who enjoy experimenting with different flavor combinations.

How Long Does Cold Brew Coffee Last?

The shelf life of cold brew coffee depends on various factors such as storage conditions, brewing methods, and ingredients used. On average, when refrigerated, cold brew coffee can stay fresh for up to 7-10 days, while some may last up to 14 days. However, it’s essential to note that these are general guidelines, and the quality may start to decline after a few days. The best way to determine if your cold brew coffee is still good is to rely on your senses. If it smells off or has a strange taste, it’s better to discard it.

Factors Affecting Shelf Life

Several factors can affect the shelf life of cold brew coffee. Let’s explore them in detail:

1. Brewing Method

The brewing method you choose can impact the longevity of your cold brew coffee. For example, if you brew your coffee concentrate using room temperature water, it may not stay fresh for as long as a cold brew made with chilled water. Cold water extracts flavors more slowly, resulting in a more stable and longer-lasting brew.

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2. Quality of Coffee Beans

The quality and freshness of the coffee beans used in your cold brew will also play a role in its shelf life. Using freshly roasted, high-quality coffee beans will yield a better-tasting and longer-lasting cold brew compared to using old or lower-grade beans.

3. Storage Conditions

Proper storage is crucial in prolonging the shelf life of cold brew coffee. Always store your cold brew in airtight containers, preferably glass jars or bottles, in the refrigerator. Avoid exposure to light, heat, and strong odors, as they can deteriorate the flavor and quality of the coffee.

Tips to Extend the Shelf Life of Cold Brew Coffee

Here are some tips to help you maximize the freshness and shelf life of your cold brew coffee:

1. Use Filtered Water

Using filtered water when brewing your cold brew coffee can help maintain its freshness for longer. Tap water often contains minerals and impurities that can affect the flavor and quality of the brew.

2. Keep it Refrigerated

Cold brew coffee should always be stored in the refrigerator to slow down the growth of bacteria and prevent spoilage. It’s essential to keep the coffee at a consistently cold temperature to maintain its optimal taste.

3. Use airtight Containers

When storing your cold brew coffee, ensure you transfer it to airtight containers. This prevents the absorption of odors from other foods in the refrigerator and preserves the coffee’s flavor and aroma.

4. Dilute Before Serving

It’s best to dilute your cold brew coffee with water or milk just before consumption, rather than diluting the entire batch. This ensures that the flavor remains intact, and you can adjust the strength of each serving based on personal preferences.

5. Label and Date Your Containers

To keep track of the freshness of your cold brew coffee, make sure to label and date the containers. This will help you identify when it was brewed and when it may be reaching its expiration date.

Table: Comparison of Cold Brew vs. Hot Brew Coffee

Category Cold Brew Coffee Hot Brew Coffee
Acidity Low High
Bitterness Low High
Taste Smooth and Mellow Bold and Robust
Brewing Time 12-24 Hours Minutes
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In conclusion, the shelf life of cold brew coffee can vary depending on several factors. On average, when properly refrigerated, cold brew coffee can stay fresh for 7-10 days. However, factors such as brewing method, coffee bean quality, and storage conditions can affect its longevity. By following the tips mentioned above and being mindful of the brewing and storage process, you can extend the freshness of your cold brew coffee and enjoy it for a longer period. Remember to trust your senses when determining if your cold brew coffee is still good to drink, and always discard it if it appears or smells off. Cheers to a refreshing cup of cold brew coffee that stays fresh till the last drop!

FAQs (Frequently Asked Questions)

Question 1: Is it safe to drink cold brew coffee that has been sitting for a long time?

Yes, it is generally safe to drink cold brew coffee that has been sitting for a long time. Because of the process of steeping the coffee in cold water for an extended period, cold brew is less prone to bacterial growth compared to hot brewed coffee. However, it is important to note that the taste and quality may deteriorate over time. So, while it may be safe to consume, the flavor may not be as desirable.

Question 2: How long can I store cold brew coffee in the refrigerator?

Cold brew coffee can typically be stored in the refrigerator for up to two weeks. However, the exact shelf life can vary depending on factors such as the brewing technique, quality of the coffee grounds, and the container used for storage. To ensure the best taste and quality, it is recommended to consume cold brew within a week of brewing.

Question 3: Can I freeze cold brew coffee to prolong its shelf life?

Yes, freezing cold brew coffee can help prolong its shelf life. By transferring the cold brew to an airtight container and placing it in the freezer, you can extend its freshness for up to a month. However, it is essential to note that freezing may alter the taste and texture of the coffee slightly. It is recommended to thaw the frozen cold brew in the refrigerator before consuming.

Question 4: How can I tell if cold brew coffee has gone bad?

You can typically tell if cold brew coffee has gone bad by examining its appearance, smell, and taste. If the cold brew appears moldy, cloudy, or has an off-putting odor, it’s a strong indication that it has spoiled. Additionally, if the taste is significantly bitter or sour, it is best to discard the cold brew. Trust your senses and use your discretion to determine whether the cold brew is still suitable for consumption.

Question 5: Can I dilute cold brew coffee with water before storing it?

It is not recommended to dilute cold brew coffee with water before storing it for an extended period. Adding water can introduce additional bacteria or contaminants, potentially decreasing the shelf life of the coffee. Instead, it is best to store cold brew coffee in its concentrated form and dilute it with water or ice when you are ready to enjoy it. This ensures the longevity and quality of the cold brew.

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Marlin Dariel

A seasoned coffee connoisseur, reviews coffee shops, recommends unique places to enjoy a great cup of coffee. "Every coffee bean has an interesting story"


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