What makes good coffee so good? It comes down to the coffee solubles extracted into your water. The coffee industry has defined scientific benchmarks for perfectly brewed coffee, called the Four T's.
A consistent brewing temperature between 196°F - 205°F is essential for the extraction of coffee solubles.
A saturation time of 4-6 minutes releases the full flavor of the coffee without over- or under-extracting it.
Agitation of the coffee grounds generated as the water flows through the grounds creates even saturation.
TOTAL DISSOLVED SOLIDS (TDS)
This is the ratio of coffee solubles to water that the brewer extracts. The ECBC defines ideal TDS yield as between 18% - 22%, and the SCA refers to this as “the Golden Cup.” Moccamaster coffee brewers hit this mark every brew cycle.