Where and how to store baking soda

The ideal location for storing baking soda is in the pantry. Whether you have an unopened box or a sealed container, the cool and dry conditions of a pantry are perfect for prolonging the shelf life of baking soda. Additionally, it protects the contents from light exposure.
Once you open a box of baking soda, it's essential to move the contents into an airtight container. Before doing so, ensure that the container is clean and free of any odors; otherwise, the baking soda may absorb unwanted smells, which would negate its effectiveness.
Generally, the quality and potency of baking soda diminish over time, with its optimal effectiveness lasting about six months after opening. However, if stored correctly, baking soda can remain usable for up to 18 months. If you have an already opened box, you can still transfer it to a suitable storage container; just remember to perform a freshness test on the baking soda first.
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