DiFluid R2 Extract Coffee TDS Refractometer (CHI version)

Analyze and perfect your brews with this essential tool.

Measure & Calculate Extraction: Get precise TDS readings to see how changes in process affect coffee extraction.

Brew Logging: Use the interactive Brew Control Chart in CoffeeOS to dial in brews consistently.

Consistency Across Brews: Maintain repeatable results for cafés, roasteries, or home brewing.

Data-Driven Brewing: Fine-tune grind size, ratios, and techniques in CoffeeOS for optimal flavor.