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CoffeeLabZ

Vietnamese phin

The phin is Vietnam's little metal coffee filter: a small cup with holes in the bottom that sits right on top of your glass 🇻🇳. You add coffee, a press insert and hot water, and it slowly drips a short, strong brew straight into the cup. It's often poured over sweetened condensed milk and ice for cà phê sữa đá. Cheap, unbreakable and wonderfully relaxing to watch.

Grind: Medium-fine, like table salt

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Words you'll hear

Phin
The Vietnamese drip filter: a chamber with holes, a plate it rests on, a press insert and a lid.
Press insert
The perforated disc that sits on top of the coffee. Some screw down, others just rest by gravity. It controls how fast water flows.
Bloom
A small first pour that just wets the coffee. Fresh grounds puff up and release gas so the rest of the water flows evenly.
Drip rate
How fast the coffee drips out. Steady drops, about one or two a second, is a good sign.
Ratio
Water weight divided by coffee weight. A phin is strong: about 1:5, so 20 g of coffee to 100 g of water.
Extraction
How much flavor the water pulls from the grounds. Under-extracted tastes sour and thin; over-extracted tastes bitter and dry.