Stop guessing about bulk fermentation. Start reading your dough.
Bulk fermentation is the single most important step in sourdough baking, and it's the one most bakers get wrong. Not because they're bad bakers, but because they're relying on the clock instead of the dough.
This interactive tool tracks nine observable signals from your dough and combines them into one clear verdict: underproofed, getting close, in the zone, pushing it, or overproofed. No guesswork. No Googling. Just real answers based on what your dough is actually doing right now.
Here's what it does:
  • Scores 9 criteria in real time: temperature, time, percent rise, dome shape, surface bubbles, side bubbles, wobble test, windowpane test, and smell
  • Adjusts all target ranges based on YOUR recipe (hydration, leaven percentage, flour type) so the readings are calibrated to the dough you're actually making
  • Displays a composite Fermentation Compass that averages every signal into a single visual readout
  • Color-coded status badges on each criterion so you can see at a glance which signs point to under, ready, or over
  • Built-in "Why this matters" teaching notes on every criterion, written to help you understand the science behind the signal
  • Bake Timeline that logs each check with a timestamp and 9 colored dots, giving you a full visual record of your dough's journey from mix to shape
  • Saves your readings automatically so you can refresh the page mid-bake without losing anything
The goal isn't to make you dependent on a tool. It's to train your eye, your hands, and your nose so that eventually you don't need one.
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12 comments
Henry Hunter
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Stop guessing about bulk fermentation. Start reading your dough.
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