This article explores the accuracy and affordability of using a Brix refractometer compared to a more expensive Atago refractometer for measuring Total Dissolved Solids (TDS) in espresso. The author conducted experiments to compare the two methods and found that the cheaper Brix meter provided comparable results.
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- Italian espresso dose of 14g vs modern standard of 18.5g.
- Lower dose means less caffeine and sweeter shots.
- History of updosing and its impact on flavor and caffeine.
Using this set of links, you can basically repair anything you want in your Gaggia as well
