What Happens if You Neglect Your Sourdough Starter (2024)

    Updated October 30, 2019

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    What Happens if You Neglect Your Sourdough Starter (2)

    I talked a bit about taking care of your sourdough starter yesterday. But what happens if you don't take care of it?

    People often worry if they've killed their starter by leaving it in the refrigerator for a long time without feeding it. When it's refrigerated, the yeast slows down and becomes practically dormant. A yellowish liquid usually forms on top, referred to as "hooch" by sourdough folks. Hooch isn't a big deal. Sometimes the hooch starts looking like it has a little black sediment in it. This also isn't a big deal. It's yeast cells that have died off, but chances are that there are plenty more still alive.

    Just for the fun of it, I left some starter unfed and at room temperature for a week. At that point it smelled strongly of acetone—not something you'd want to eat. I stirred in some flour and water, and it sprang back to life even better than before. So, it wasn't dead or dying, it was just napping and waiting for a little food and a little stirring.

    I've never had a refrigerated sourdough go bad on me completely, but it's possible that you can get mold or really nasty stuff growing in an unrefrigerated one if you leave it undisturbed for long enough. I know, because I have left some starters for quite a while. Some simply fell into a deeper sleep while others developed truly nasty odors and some grew fur. I didn't try reviving any of those—the acetone-smelling one was about my limit. I figure that it's easy enough to grow a new starter if I have to. I might have gone to greater measures to revive one of my foreign starters, though. Maybe.

    Sourdough from Scratch

    Day Zero: What You'll Need »
    Day 1: A Half-Ounce Flour and an Ounce of Water »
    Day 2: No Feeding, Just Stirring »
    Day 3: Feed Me More Flour! »
    Day 4: 100% Hydration »
    Day 5: Keep Feeding and Stirring! »
    Day 6: Keep Stirring and Feeding! »
    Day 7: Feed and Wait »
    Day 8: Getting Close! »
    Day 9: First Harvest »
    Day 10: Second Harvest »
    Day 11: Time for Storage »

      What Happens if You Neglect Your Sourdough Starter (2024)

      FAQs

      What Happens if You Neglect Your Sourdough Starter? ›

      Things that Will Kill A Sourdough Starter

      What happens if you don t feed your sourdough starter enough? ›

      Don't worry — everything will be just fine. A sourdough starter is often likened to a pet, but unlike a puppy, if you forget to feed it when you're supposed to, nothing bad will happen. Because even though starters are technically alive, they're incredibly resilient.

      What happens if you forget to discard some of your sourdough starter? ›

      If you don't get rid of the excess, eventually you'll have more starter than your feedings can sustain. After a few days, your daily 1/4 cup flour and water won't be enough to sustain your entire jar of starter, and your starter will be slow and sluggish, not much better than discard itself.

      What if my sourdough starter is not strong enough? ›

      Most commonly, the issue here has to do with temperature (which is very important). If your sourdough starter is kept at a low temp, even 70°F (21°C), it will slow fermentation activity and appear to be sluggish, taking longer to rise and progress through the typical signs of fermentation. The solution: keep it warm.

      What happens if you use less sourdough starter? ›

      As a general rule, the less sourdough starter you use, the slower your dough will ferment - resulting in a more sour flavored loaf. The more starter you use, the faster your dough will ferment - resulting in a less sour loaf.

      What happens if you underfeed sourdough starter? ›

      Generally, feeding it once a day is a good rule when leaving your starter on the counter. Feeding it less than this can leave your starter open to mold and harmful bacteria, however you can also overfeed a sourdough starter.

      Can you go 2 weeks without feeding sourdough starter? ›

      A mature sourdough starter can last for several weeks kept in a refrigerator without being fed.

      Should I stir my sourdough starter between feedings? ›

      stir your starter in between feedings - try stirring it twice in between feedings and really give it a chance to get oxygen into the mix. This will help to activate your starter without too much effort.

      How do you activate a weak sourdough starter? ›

      Method 1: High Feeding Ratio

      Sometimes you can remediate a weak, acidic starter with a single high feeding ratio. The most common “high feeding ratios” are 1:5:5 and 1:10:10. These ratios help knock down the acidity of your starter with one large feeding.

      Why is my starter bubbling but not rising? ›

      If your starter gets completely covered on top with bubbles but does not rise, it is healthy but may just be a wet mix. Try reducing the water in your next feeding and see if you have different results. Also, the type of flour you are using can impede the rise of your starter.

      Do you discard every time you feed sourdough starter? ›

      It would be best if you discarded some portion of your starter each time you feed it unless you want to continue to let it grow. Eventually, you need to discard the used “food” (flour and water) that's been used to sustain your starter during the last fermentation period.

      Can I feed my starter without discarding? ›

      How to increase a starter. If your recipe calls for more than 227g (about 1 cup) of starter, feed it without discarding until you've reached the amount you need (plus 113g to keep and feed again).

      What is the minimum amount of sourdough starter to keep? ›

      All you need to do is take 20g of the starter you already have and then feed it with 20g of flour and 20g of water (so 1:1:1). Then you'll have a 60g starter, which is considered a smaller amount. You can of course reduce these amounts even further if you wish, but this is a reasonable size to keep waste to a minimum.

      How do I know if my sourdough starter is hungry? ›

      Over time it might have a greyish liquid start to collect in it, called hooch. It is a natural alcohol that your starter produces, and it just tells you that it is hungry. You can stir it in the next time you feed or pour it off (this is what I do) and then feed as usual.

      How do you know if you killed your sourdough starter? ›

      How to tell if your sourdough starter is dead?
      1. Even after 5 refreshing periods the starter isn't bubbling or showing signs of activity.
      2. If the starter smells rotten. ...
      3. If mold is growing.
      May 18, 2021

      Can I just feed my sourdough starter without discarding? ›

      If your recipe calls for more than 227g (about 1 cup) of starter, feed it without discarding until you've reached the amount you need (plus 113g to keep and feed again).

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