The process of reducing the aperture diameter of an inlet to regulate and lessen the flow rate of water into a brewing device — usually with the addition of a brass or ceramic or ruby washer between 0.5-1mm in diameter.
The process of reducing the aperture diameter of an inlet to regulate and lessen the flow rate of water into a brewing device — usually with the addition of a brass or ceramic or ruby washer between 0.5-1mm in diameter.