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Why Does Baking Soda Lose Its Effectiveness After 30 Days?

Learn why baking soda loses its leavening power after 30 days and how to properly store it to maintain freshness.

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Video transcript

Baking soda loses its effectiveness after 30 days because it can absorb odors and moisture from the environment, reducing its leavening ability. Keep your baking soda in a sealed, airtight container to maximize its shelf life.

Questions and answers

  1. How can I tell if baking soda is still good to use?

    You can test baking soda's effectiveness by adding a small amount to vinegar; if it fizzes vigorously, it is still active.

  2. Does baking soda really expire after 30 days?

    Baking soda can lose its potency after about 30 days if not stored in an airtight container, as it absorbs moisture and odors.

  3. What is the best way to store baking soda to keep it fresh?

    Store baking soda in a sealed, airtight container in a cool, dry place to maximize its shelf life and maintain effectiveness.

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For more tips on proper ingredient storage and extending shelf life, explore our related videos on pantry essentials and food freshness hacks to get the best results in your cooking and baking.