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4.5 (123)

R2 Extract Coffee TDS Refractometer

Name: DiFluid R2 Extract Coffee TDS Refractometer - R2 Extract Coffee TDS Refractometer
Brand: DiFluid
SKU: 43871660540131
Price: 229.99 USD
Availability: InStock
Rating: 4.8125 (8 reviews)

4.5 (1,234)

Sold 100+ last 30 days

20% off first order

$229.99

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Color

Black

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R2 Extract is a modern digital refractometer designed to measure Total Dissolved Solids (TDS) or the concentration of brewed coffee. Use R2 Extract with CoffeeOS in combination with Microbalance to track brews and record them on the Brew Co...

Reviews

4.8

32 ratings

It took awhile to get it into my process. I am not sure about absolute accuracy, but it helps to see the effects of adjustments and trends.

Kirk · 4 days ago

Professional grade tool! It changed the way I drink coffee. Now I'm cataloging my coffees in the DiFluid Cafe app. This helps me dial a recipy without having to remember it. I'm getting consistent results which shows the accuracy of the tool. My palette is not very developed, so this tool also helps me in the dialing process.

Georgi · April 2, 2026