Mark Michaelson, then Head Roaster at Onyx Coffee Lab and 2017 US Roaster Champion, on roasting and quality control with the Pearl Mini.
By SOVDA · Oct 13, 2019 · 1 min read

The machine in this guidePearl MiniLooks at every bean and takes out only the bad ones.
See how it works →
See how it works →
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Written by SOVDA








