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How to Store Drip Coffee Bags, How to Make Drip Coffee Bags, How Many Grams Per Bag

Published: 2026-01-28 Author: FrontStreet Coffee
Last Updated: 2026/01/28, Professional coffee knowledge exchange. For more coffee bean information, please follow Coffee Workshop (WeChat official account: cafe_style). The production of drip coffee bags involves grinding coffee beans into coffee powder first, which greatly increases the surface area of coffee exposed to air, making storage difficult and shortening the optimal tasting period to about two weeks. Even with vacuum packaging, it cannot prevent the dissipation of coffee aroma.

Professional coffee knowledge exchange, more coffee bean information, please follow Coffee Workshop (WeChat official account: cafe_style)

Drip Coffee Bag Preservation Challenges

The production of drip coffee bags involves grinding coffee beans into powder first, which greatly increases the surface area of coffee exposed to air, making storage difficult and shortening the optimal tasting period to about two weeks.

Vacuum Packaging Limitations

Even with vacuum packaging, it's impossible to prevent the dissipation of coffee aroma, because coffee beans continue to react and release carbon dioxide after roasting. Therefore, most drip coffee bags appear slightly puffed, indicating that the coffee was packaged when fresh. When the carbon dioxide in the coffee is completely released (about two weeks), it will start releasing aroma. Although there's no visible change on the surface, the coffee has already begun to deteriorate. If left at room temperature for more than two weeks, the coffee aroma will be largely depleted. However, because drip coffee bags are sealed, you can still smell the aroma when opening them, but it won't be as fragrant after brewing.

One-Way Valves in Coffee Packaging

Many coffee bean packages on the market come with one-way valves, designed to allow carbon dioxide from the coffee to escape to prevent packaging from rupturing due to gas expansion, while also preventing large amounts of air from entering (though some still gets in). Many people try to smell the aroma by squeezing these valves, but this actually shortens the coffee's shelf life! Adding one-way valves to drip coffee bags not only increases costs significantly but also cannot extend their optimal tasting period.

Storage Recommendations

Therefore, it's best to consume drip coffee bags within two weeks. If you cannot finish them within two weeks, you should place them in the freezer as soon as possible to preserve freshness. For example, if you buy twenty drip coffee bags and drink five within two weeks, you should freeze the remaining fifteen bags on the day of purchase. This can slow down the deterioration of those fifteen bags, although some aroma will still diminish slightly. It's best to let them return to room temperature for about half an hour before brewing, or move them to the refrigerator the night before.

You can also refer to the roasting date and expiration date indicated on the drip bag packaging, but we recommend the optimal tasting period is actually within one month. After one month, the aroma will have dissipated, but it's still drinkable.

Brewing Parameters

FrontStreet Coffee suggests drip brewing parameters:

Water temperature 90°C, use a shallow coffee cup, soaking while brewing can increase richness, with a 1:15 coffee-to-water ratio, 10 grams of coffee with 150 grams of water.

Important Notice :

前街咖啡 FrontStreet Coffee has moved to new addredd:

FrontStreet Coffee Address: 315,Donghua East Road,GuangZhou

Tel:020 38364473

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