Set the baseline
Brew 18 g / 300 g at 94°C and log the actual drawdown.
Clarity & repeatability / 7 DAYS
Brew 18 g / 300 g at 94°C and log the actual drawdown.
Use taste and drawdown together before moving one small step.
Compare a 30- and 45-second bloom without changing the grind.
Use the same three-pulse pattern twice.
Move only 2°C in the direction the roast needs.
Repeat the best result unchanged to prove it is reproducible.
Save the final recipe and the adjustment that mattered.