Is Second Crack Louder Than First Crack?

This is a much louder and more forceful sound than second crack Second Crack is the second audible clue the roaster-operator receives about the degree-of-roast, following First Crack. What is the difference between first and second crack? While First Crack is driven more by the change from water to water vapor, second crack’s audible snap … Read more

What Temperature Does First Crack Start?

At approximately 196 °C (385 °F) , the coffee will produce a cracking sound. We refer to this point as the ‘first crack’, marking the beginnings of a lighter roast. At the first crack, a large amount of the coffee’s moisture has been evaporated, and the beans will increase in size. What temperature does first … Read more

At What Temperature Does First Crack Start?

At approximately 196 °C (385 °F) , the coffee will produce a cracking sound. We refer to this point as the ‘first crack’, marking the beginnings of a lighter roast. At the first crack, a large amount of the coffee’s moisture has been evaporated, and the beans will increase in size. What temperature does first … Read more