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Illustrated Coffee Brewing Tutorial | How to Make Iced Coffee and Cold Brew Coffee with Drip Coffee Bags? Drip Coffee Extraction Time, Water Temperature, and Coffee-to-Water Ratio Parameter Recommendations

November 22, 2025
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As coffee gradually becomes a part of people's lives, many office workers probably want to enjoy a good cup of coffee to recharge during their busy workday, and drip bag coffee is a great choice. Here, Front Street Coffee will show you how to make iced drip bag coffee and how to use drip bags to make cold brew.


Prepare a pack of drip bag coffee, some ice cubes, and a cup of about 200ml, and we can start brewing our iced drip bag coffee~


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Step 1: Tear open the drip bag's seal and hang the drip bag on the rim of the cup.



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Step 2: Pour in a small amount of hot water, just enough to slightly wet the coffee grounds. (Front Street Coffee has tested this: the amount of water needed to just barely cover the coffee grounds is 25g. Office drinking water is usually 90°C and can be used directly; if it is freshly boiled hot water, let it sit for one minute after boiling before use.)


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Step 3: After the coffee liquid has dripped through, pour in hot water again until it is close to the drip bag opening. (Front Street Coffee has tested this: after pouring this time, the total amount of water added is 110g, meaning the water-to-coffee ratio is 1:11.)



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Step 4: After the coffee liquid has finished dripping, remove the drip bag.



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Step 5: Pour the coffee liquid into a cup containing a suitable amount of ice cubes, and gently shake to mix so the coffee liquid fully contacts the ice and cools quickly.



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Just like that, a convenient and quick cup of iced drip bag coffee is done!!!!!!!


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How to make cold brew coffee with drip bags?


You only need to prepare a cup with a lid of about 200ml, a refrigerator, and a pack of drip bag coffee.


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Step 1: Tear open the drip bag packaging.


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Step 2: Pour the coffee grounds into the cup. (Remember, keep the drip bag filter!!!!!!!!)



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Step 3: Pour in 100g of room-temperature water. (If you don't have a digital scale, just fill a 200ml cup a little more than halfway.)



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Step 4: Cover with the lid to seal it. (If the seal is not tight, you can use plastic wrap or a folded plastic bag and then put the lid on.) Put it in the refrigerator (the fresh-keeping compartment).


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Step 5: Let it sit overnight (8 hours), take out the reserved drip bag filter, hang it over the rim of another cup, and pour out the cold brew coffee liquid to filter out the coffee grounds.



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The final cup of convenient and delicious cold brew coffee is done!!!!!!!!!!!!!!!!!!!



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You can drink it directly to enjoy the smoothness and richness of cold brew coffee, or add a small amount of ice cubes to slightly dilute the coffee's strength, further enhancing your palate's perception of the flavor and keeping the coffee in the cup at a low temperature range.


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

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