Episode #83 Refractometers

In this week’s episode of Yes or NO with Rao we have a quick chat about the use of a refractometer to measure coffee extraction. Enjoy!

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Original video: https://www.youtube.com/watch?v=400xnQD9NHw
Downloaded by http://huffduff-video.snarfed.org/ on Mon Mar 23 20:09:22 2020 Available for 30 days after download