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The three key points of hand-brewing coffee are:
1. Be sure to freshly grind freshly baked high quality coffee powder
This is the key to blistering.
Otherwise, you'll see a big hole when you rush.
Stew enough to let the water flow through smoothly.
two。 Hand flushing current must be well controlled.
Don't rush onto the filter paper.
3. Control the water temperature.
The water temperature is actually related to the baking degree of beans.
If the water temperature is below 85 degrees, the powder will not soak fully.