Bulk is not just a timer.
A four-hour bulk can be underproofed in a cold kitchen and overproofed in a warm one. Lievanto treats the clock as one input, then asks for dough cues.
- Volume increase gives the broad progress signal.
- Jiggle and bubbles show gas production.
- Poke feel and dough strength show whether the structure can hold.
What a check-in records.
A bulk check-in captures the current temperature, volume increase, dough feel, and notes. The app then updates the readiness estimate instead of leaving you with a static recipe time.
Why this matters for sourdough.
Starter activity changes from bake to bake. A bulk coach helps you compare today's dough to the last one without pretending every kitchen behaves the same.