Make your sourdough timing less mysterious.

Sourdough.help is a small collection of calculators and notes for real kitchens: cooler rooms, warmer dough, tired starters, changing schedules, and loaves that need judging by more than the clock.

Finished sourdough loaf with decorative scoring on a wooden board
Calculator Bulk fermentation timing

Estimate when your dough is likely to reach peak activity using dough temperature, room temperature, hydration, salt, flour type, and starter amount.

Calculator Starter feeding planner

Work out how much starter, flour, and water to use, then plan when it should be ready to bake with.

Recipes Start baking from scratch

Make your own white flour starter, then use the calculators to plan feeds and fermentation once it is active.

Guides Short sourdough notes

Clear answers on proofing, hydration, temperature, slow starters, winter baking, and common loaf problems.

What are you trying to fix?

Finished sourdough loaf on a wooden board Cut sourdough loaf showing crumb and crust

Featured articles

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Sourdough dough with thermometer in a cool kitchen
Cold kitchens Sourdough bulk fermentation in winter

How to adjust timing when the room drops and the dough starts moving slowly.

Sourdough dough samples showing different hydration levels
Recipe balance Sourdough hydration explained without the fog

What water changes in the dough, and why wetter is not automatically better.

Sluggish sourdough starter in a jar ready for a rescue feeding
Starter rescue My starter is looking very sorry

A 48-hour plan with 3 or 4 feeds to wake up a tired starter.

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