10 Week Comparative Test

Written By Amanda Dinauer

ST PAUL, Minnesota, March 31, 2025

Dr. Ainsley Harrison, Director of Coffee for Australian-based Peak Coffee, performs a side-by-side comparison with specialty coffee roasted approximately 10 weeks ago. Focusing on aroma, crema, taste, and total dissolved solids (TDS), Dr. Harrison tests and reviews specialty coffee packaged with both PrimeVent® technology and the traditional button valve.

Amanda Dinauer
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