Coffee review

Blue Mountain Coffee has a high requirement for the proportion of defective beans, which gives priority to the grading system of giving priority to defects.

Published: 2026-04-07 Author: World Gafei
Last Updated: 2026/04/07, Introduction: although the output of Blue Mountain Coffee is very small, it has a strict grading system. Even if it is produced in the legal Blue Mountain producing area, it should be graded according to the size of beans and the proportion of defects. BlueMountainNo.1 Blue Mountain No. 1 bean type: 96% above 17 Bl 18 eyes defective bean proportion: 2% BlueMountainNo.2 Blue Mountain 2 bean type: 96% above 16 inch defective bean proportion: 2% Bl

Introduction: although the output of Blue Mountain Coffee is very small, it has a strict grading system. Even if it is produced in the legal Blue Mountain producing area, it should be graded according to the size of beans and the proportion of defects.

BlueMountainNo.1 Blue Mountain 1

Bean type: more than 96%, 17 stroke, 18 eyes defective bean proportion: 2%

BlueMountainNo.2 Blue Mountain 2

Bean type: more than 96% 16 stroke 17 mesh defective bean proportion: 2%

BlueMountainNo.3 Blue Mountain 3

Bean type: more than 96%, 15 stroke, 16 eyes defective bean proportion: 2%

BlueMountainPB blue mountain pea

Bean type: more than 96% is garden bean defective bean proportion: 2%

As can be seen from the classification of Blue Mountain Coffee, Blue Mountain Coffee has a high requirement for the proportion of defective beans. In all the coffee called Blue Mountain Coffee, the defective beans cannot be more than 2%. In addition, because they are located in legal producing areas, so only by size to distinguish the grade. So for Blue Mountain Coffee, in addition to the grade, the year and the specific origin of the manor is very important.

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 。

Important Notice :

前街咖啡 FrontStreet Coffee has moved to new addredd:

FrontStreet Coffee Address: 315,Donghua East Road,GuangZhou

Tel:020 38364473

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