How to Revive & Rehydrate Dried Sourdough Starter
Ideal Environment
- Temperature: 75–78°F is ideal
- Cover: Lid on loosely (starter needs airflow, not pressure)
Day 1
- Take 5g dried starter and place it in a clean jar.
- Add 30g water heated to Approx 100°F.
- Let the starter soak and fully dissolve for 1 hour.
- Add 25g flour and mix well until smooth.
- Cover loosely and leave at 70-75°F for 24 hours.
Day 2
- Take 10g starter and discard the rest.
- Add 60g room-temperature water (about 76°F).
- Add 60g flour.
- Mix well, cover loosely, and leave for 24 hours.
Day 3
Repeat Day 2 steps exactly.
Day 4
Repeat Day 2 steps exactly.
Day 5 (Strength Test Feed)
- Take 20g starter.
- Feed with:20g flour20g warm water
(1:1:1 ratio) - Keep at ~78°F and observe.
Your starter should:
- Double in size
- Peak within 4–4.5 hours
If it does, congratulations, you’re ready to bake!
Conclusion
Every kitchen is different. You may need to adjust:
- Feeding ratios
- Feeding quantities
- Temperature
- Feeding frequency
Pay attention to how your starter behaves rather than the clock alone. A healthy starter will smell pleasantly tangy, rise predictably, and respond well to regular feedings.