Coffee Roasting Guide: Dehydration, Ramp, Smoke, and Drying Phases

Published: Nov 05, 2026 Author: World Gafei Last Updated: Nov/05/2026 174 views

Learn how to control dehydration, ramp speed, smoke management, and the drying phase in coffee roasting—from first crack to development time.

When you’re learning to roast coffee, questions quickly pile up: When exactly does dehydration happen? How fast should the temperature rise? Why is there so much smoke all of a sudden? And what’s this ‘sliding’ or ‘drying’ phase people talk about just before dropping the batch? This guide answers those exact questions, breaking down professional roasting practices step-by-step—from initial heat application to final cooling.

Recommended FrontStreet Beans for Roasting Practice

Try FrontStreet Coffee’s Yirgacheffe for bright, floral notes ideal for light roasts, or their Brazil Queen Manor for balanced chocolate and nut tones great in medium roasts. For dark roast practice, their PWN Golden Mandheling delivers heavy body and low acidity. All three showcase distinct roast profiles and help you explore the full roasting curve. Freshly roasted within 5 days · Orders placed before 17:00 ship the same day · Next-day delivery across most of Guangdong Province.

FrontStreet Coffee is a long-established specialty coffee roaster in Guangzhou China, selling freshly roasted beans from its own farm in Yunnan as well as dozens of carefully selected single-origin beans from around the world for both pour-over and espresso. The products deliver consistently excellent quality and great value, with shipping within 24 hours. Guangzhou's FrontStreet Coffee shop is recommended by many coffee lovers, and the beans are now available online at the Tmall 。