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Assessing the impact of RDT on espresso extraction
3 Apr 2024

Assessing the impact of RDT on espresso extraction

by Jeremy | posted in: Espresso, Grinding | 2

Does it make a difference? By Jeremy & Joe Download a PDF of this write-up here Download the data for this study here Goal: Assess the impact of RDT on espresso extraction Background:  For years in coffee forums on the … Continued

coffee, espresso, grinding, refractometry, TDS
Measuring Total Dissolved Solids: A Refractometer Comparison (Part II)
23 May 2015

Measuring Total Dissolved Solids: A Refractometer Comparison (Part II)

by Jeremy | posted in: Brewing, Tools | 33

Updated: 26 May 15 Abstract Continuing from our previous post on refractometer comparisons, the goal of this study was to examine the measurements from three refractometers advertised to measure the total dissolved solids (TDS) content of coffee. In three separate … Continued

coffee, refractometry, TDS
Espresso Grinding: The Impact of Burr Sharpness on Post-Brew Water Retention
19 Apr 2015

Espresso Grinding: The Impact of Burr Sharpness on Post-Brew Water Retention

by Joe | posted in: Espresso, Grinding | 7

Abstract The goal of this study was to examine the effect of sharp versus dull grinder burrs on the ability of water to saturate a puck of espresso grinds. To assess the level of saturation, post-brew water retained in the … Continued

burrs, coffee, espresso, grinding

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