Although drip bags cannot replace freshly ground pour-over coffee, many people still can't do without them, because coffee is precious, and early mornings need a pick-me-up.

As the "instant noodles" of the coffee world, a drip bag is made by pre-grinding coffee beans into powder, packing a fixed weight into a filter bag with "ears," and then pouring hot water over it and straining out the grounds to get black coffee. Whether you're in the office, a park, or on a train or plane, as long as you have a cup and hot water, you can enjoy coffee freedom anytime, anywhere. Undoubtedly, this is the simplest form of drip coffee.

But precisely because it uses a pre-made process, drip bags first lose some aroma, and secondly, their entire structure is a portable filter bag, making it hard to control extraction like pour-over. If you pour water all at once, it's likely to go wrong, so if you want good-tasting coffee, you still need some technique. Here, Front Street Coffee has summarized 5 small details based on daily feedback from friends, hoping to help us find the key to brewing a delicious drip bag.

1. The water must be hot enough

Many office workers habitually use water heated by a water dispenserto brew drip bags, but in reality, water dispensers on the market can only reach about 80°C after "boiling," and the coffee brewed tends to be weak and sour.

In pour-over, the water temperature directly affects the coffee's extraction efficiency. The higher the temperature, the faster the flavor compounds are released, and the richer the taste. Based on Front Street Coffee's brewing experience, light-to-medium roast coffees with floral and fruity acidity are suitable for 90–93°C, while medium-to-dark roast beans featuring caramel, nut, dark chocolate, cream, and spice flavors are extracted with water at 86–89°C.

For drip bags, we don't need to be too strict about water temperature. Even without a thermometer or temperature-controlled kettle, as long as we use life experience to get it into a rough range, we can achieve a good extraction. Front Street Coffee's tests found that if you boil a large pot of water, turn off the heat, and leave the lid open at room temperature of 25–30°C, after 2–3 minutes the water temperature drops to 92–95°C (suitable for floral, fruity, acidic coffee), and after 5–6 minutes, the hot water temperature falls to 87–90°C (suitable for nutty, bitter coffee).

2. Control the amount of water poured

Brewing drip bag coffee doesn't require an electronic scale like pour-over does; it's all about convenience, whatever is easiest. So many people randomly pick a cup that looks good, hang the drip bag, fill it up, and be done. Sometimes the coffee is bland, sometimes unbearably bitter. These situations are most likely caused by not finding the right coffee-to-water ratio.

A pack of drip bag coffee grounds usually contains about 10g. After multiple measurements, if you fill the drip bag halfway with hot water, it's about 30–40g, and if you fill it to nine-tenths full at once, it's 60–80g. This way, we can roughly estimate the total water amount based on the number of pours.

If following the pour-over ratio of 1:15 to 1:18, you need to pour 150–180ml of hot water. If you usually prefer a rich taste, you can pour in three stages: first pour half to wet the coffee bed, pause for 20 seconds, then pour twice consecutively to nine-tenths full. This takes about 1.5 minutes, and the total water amount is roughly 140–160g.

If you prefer a lighter, more refreshing taste, you can add one more pour, making four stages total. Again, wait for the water to drain, then pour directly to nine-tenths full. The total water amount will be about 200g.

3. The cup must be deep enough, and the opening not too wide

For brewing drip bag coffee, the cup matters. Generally, it's recommended to use a tall glass or a slightly deeper mug, so the coffee liquid can directly pass through the coffee bed and land at the bottom. If the cup is too shallow, the filtered coffee liquid may flow back and re-soak the coffee bed, making the whole cup taste heavy and bitter, with poor flavor.

Since the two ears need to rest on the rim of the cup, if you use a cup with too wide an opening, the filter bag may easily fall in due to gravity when pouring water. Therefore, Front Street Coffee recommends优先 choosing a container with a rim smaller than 9cm and a height greater than 12cm for brewing drip bags.

4. Use a small stream and pour in multiple stages

Since you don't need to pour in circles, the equipment for brewing drip bags is basically unrestricted—any clean container that can pour water will do, such as a regular kettle, a dusty thermos at home, an inherited hot water bottle, or even the hot water dispenser on a high-speed train.

But precisely because these containers are hard to control the flow, it's easy for water to gush out when pouring, greatly shortening the contact time between hot water and coffee grounds, resulting in under-extraction and a thin, tasteless cup. Without a gooseneck pour-over kettle, to improve extraction efficiency, we can control the flow of hot water and increase the number of pours to extend the extraction time, aiming to release more flavor compounds into the coffee.

Combined with the water amounts mentioned above by Front Street Coffee, we can divide into 5 pours, each time pouring only half a bag's worth of hot water. You can slightly raise the pouring point, so the total drip time is about 1 minute 50 seconds to 2 minutes, and the overall taste will be much richer than filling up with a large flow.

5. Avoid frequently shaking the drip bag

When discussing pour-over details, Front Street Coffee once analyzed that the more you tap or shake the dripper, the more likely fine particles will fall through the gaps to the bottom, causing clogging during brewing. The same applies to drip bag coffee. Some friends habitually shake it hard before opening the package. The more you shake the filter bag, the more likely fine particles settle at the bottom, leading to water pooling in the final stage and making the coffee bitter and astringent.

After opening the outer package, just gently flick the dotted line of the drip bag, tear open the seal, pull the two ears apart, and hang it directly on the cup. The coffee grounds will then fall evenly to the bottom.

The above content is compiled by CoffeeHunters, a coffee news website.