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How do I know if my starter is bad?

If you're an avid baker, you know the importance of a healthy sourdough starter. But how can you tell if your starter has gone bad? In this article, we'll explore the signs of a bad starter and provide tips to keep your baking game strong.


Visual Cues of a Bad Starter


The first indication that your starter may be bad is its appearance. A healthy starter should have a bubbly, active surface with a pleasant, yeasty aroma. If your starter looks dull, flat, or has an unpleasant odor, it's a sign that something is amiss. A bad starter may appear discolored, with a gray or pink hue, and have a thin, watery consistency.


Checking the Activity Level


Another way to assess the health of your starter is by observing its activity level. A healthy starter should double or triple in volume within 8-12 hours of being fed. If your starter shows little to no signs of rising or bubbling, it's a clear indication that it's not performing as it should.


Taste and Smell Test


Finally, you can perform a taste and smell test to determine the condition of your starter. A healthy starter should have a slightly sour, yeasty aroma and a tangy, slightly sweet flavor. If your starter smells off, like nail polish remover or rotten fruit, or tastes overly sour or bitter, it's time to discard it and start fresh.


Troubleshooting a Bad Starter



  • Check your feeding schedule: Ensure you're feeding your starter at the right intervals, usually every 12-24 hours, depending on your climate and usage.

  • Adjust the temperature: Starters thrive in a warm environment, typically between 70-85°F (21-29°C). If your starter is in a cooler spot, it may not be as active.

  • Evaluate your ingredients: Make sure you're using high-quality flour and water. Tap water with chlorine or other additives can negatively impact your starter.

  • Consider a starter reset: If your starter is beyond saving, it's best to discard it and start over with a new, healthy starter.


By keeping a close eye on the visual, activity, and taste/smell cues of your sourdough starter, you can quickly identify and address any issues before they impact your baking. With a little care and attention, you can maintain a thriving, reliable starter for all your bread-making needs.

Kevin's Auto

Kevin Bennett

Company Owner

Kevin Bennet is the founder and owner of Kevin's Autos, a leading automotive service provider in Australia. With a deep commitment to customer satisfaction and years of industry expertise, Kevin uses his blog to answer the most common questions posed by his customers. From maintenance tips to troubleshooting advice, Kevin's articles are designed to empower drivers with the knowledge they need to keep their vehicles running smoothly and safely.