What happens during roasting Degree of roast Roasting with Aillio Bullet R1 V2 Roasting with Hottop with artisan connection (KN-8828B-2K+) Roasting with Hottop manually (KN-8828B-2K) Roasting with Hottop programmable (KN-8828P-2K) Roasting with the Gene Café (CBR-101) Tips for buying a roaster Profile roaster Sample roaster Choice coffee roaster Why roast coffee by yourself