Storing Baking Powder

Category Dry Storage
Proper storage of baking powder will increase its shelf life. This is a page about storing baking powder.


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January 4, 2005

Don't keep baking powder for more than one year, as it loses its potency. To check whether your baking powder is still usable, add 1 teaspoon of it to 1/3 cup of hot tap water. The mixture should bubble vigorously.

By Joesgirl

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November 14, 20160 found this helpful
Top Comment

Arm and Hammer places the shelf life of their baking soda at 3 years. As a leavening agent, it might not be a good idea to use baking soda older than this. However, as a cleaning agent, I would not have any reservations about using baking soda that had been on the shelf for 50+ years.

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November 15, 20160 found this helpful

This was about powder, not soda. Very, very different.

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July 30, 20180 found this helpful

It took me a year and a half to discover this. And you are right.

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