Coffee berries, which contain the coffee bean, are produced by several species of Melitta Coffee Pods minuscule evergreen bush of the genus Coffea. The two most commonly grown species are Coffea canephora (also manifest as Coffea robusta) and Coffea arabica. These are cultivated in Latin America, Southeast Asia, and Africa. Once ripe, coffee berries are picked, processed, and dried. The seeds are then roasted, undergoing infrequent physical and chemical changes. They are heated to varying degrees, depending on the desired flavor. They are then ground and brewed to constitute coffee. Coffee can be prepared and presented in a variety of ways.

The dilute then passes downwards through the grounds due to gravity, repeating the process until shut off by an internal timer. or, also commonly, a thermostat which turns off the heater when the entire pot reaches a certain temperature. This thermostat also serves to keep the coffee mild (it turns on when the pot cools), but requires the removal of the basket holding the grounds after the initial brewing to avoid additional brewing as the pot reheats. Purists do not feel that this repeated blistering is conducive to the best coffee.