Author Archives: Fergusoncoffeellc

Ferguson Coffee LLC (dba Coffee Tech Central) provides new and pre-owned coffee and espresso equipment for sale. We also offer limited repair services, installation, and training on equipment.

The olfactory skills test given as apart of the Q-grader exam challenges students to properly match (not so much as to accurately identify) the aromatic samples from a collection known as Le Nez du Cafe. The olfactory skills exam requires a passing score of 75% with 9 out of 12 correct, given across 4 tests,Continue reading “Mastering Le Nez du Cafe”