If you don’t see visible bubbles it may be due to your environment, flour, or just plain luck. Discard and feed anyway to continue with the schedule. You may need to add a few extra days at the end to strengthen your starter, but that’s ok! Patience is key, so keep on the plan.
Day 4: Lots of bubbles
- Discard all but 100g of the starter.
- Feed: mix in 100g all-purpose flour and 100g room temperature water
- Stir, scrape the sides, cover, and rest again
Pro Tip:
Some starters seem to slow down growth at this stage (called a false start) for seemingly no reason. This is normal, so just keep with the schedule.
Day 5: More bubbles and some growth
- Discard all but 100g of the starter
- Feed: Mix in 100g all-purpose flour and 100g room temperature water
- Stir, scrape the sides, cover, and rest again
Day 6-7: Nearly doubling in size!
- Discard all but 100g of the starter
- Feed: Mix in 100g all-purpose flour and 100g room temperature water
- Stir, scrape, cover, and rest until the starter has doubled in size. Continue this routine until the starter doubles in size in 4-6 hours, and then begins to recede after 12 hours. This means it’s probably ready to use!
Testing Sourdough Starter for Readiness
- Growth Rate: The Starter grows to more than double in size within 4 to 6 hours and recedes after 12 hours.
- Smell: The starter should smell good—like sourdough bread or like brewing yeast, have bubbles and a dome-shaped top
- Floats: Drop a bit of starter into a bowl of water. If it floats, it’s ready to bake bread. Hooray!
Maintaining a Sourdough Starter (Stage 3: Maintain)
Once it passes the float test and your starter is established, you can feed it daily or weekly depending on how often you want to bake. See our detailed Tutorial on how to Feed and Maintain Sourdough Starter. You can even dry it out to take a months-long pause. This is great news because you can travel or pause without ruining your starter.
- Frequent baking: Store at room temperature. Begin daily discard and feeding schedule to keep the starter healthy and continue strengthening it (Discard all but 100g of the starter and Feed by mixing in 100g all-purpose flour and 100g room temperature water)
- Less frequent baking: Store in the refrigerator. Once a week, discard and feed then let it rest at room temperature for 1 to 2 hours before refrigerating. If baking, remove the starter from the fridge and bring to room temperature overnight. Discard and feed. When the starter reaches its peak, remove the portion needed for the recipe, then feed and refrigerate.
Naming Your Sourdough Starter
Many people choose to name their sourdough starters. I loved my sister-in-law’s idea and copied it—Doughseph. After two years of making the dreamiest sourdough, he’s a part of the family.
Why Won’t my Sourdough Starter Rise?
It’s common to have a starter that isn’t ready by day 6 or 7. Keep feeding it for another week until you see it double and the texture is spongy and puffy with large and small bubbles. It should also smell sour and pleasant.
Sourdough is very forgiving so long as you don’t add hot water which kills the yeast. Just keep feeding it and discarding and it usually bounces back.
It’s easy to make sourdough bread at home using this simple sourdough starter recipe. Start today and you can enjoy a loaf of homemade bread in about a week!
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