The brew ratio means preparing a perfect cup of coffee by adding a balanced amount of coffee and water during a brew set by the Speciality Coffee Association of America (SCAA).
The golden coffee ratio is a weight-based formula applied to a single cup or large pot to produce a balanced cup of coffee, and it is considered the heart of the brewing process.
It is written as 1:18 or (1 gram of coffee for every 18 grams of water) but for a stronger flavor, use the ratio of 1:15