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Old 03-08-2011, 12:17 PM   #1
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ISO baking soda advice

how long does it take for baking soda to become inactive? what is the best way to expand its lifespan?




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Old 03-08-2011, 12:27 PM   #2
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I have never actually heard of baking soda going bad unless it gets wet or contaminated with something.
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Old 03-08-2011, 12:35 PM   #3
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Baking soda will lose its oomph over time. I think the general rule is that you should replace the can after 6 months. I had a girlfriend who wasn't much of a baker but she got in a tough place financially and was trying to use up what she had in the kitchen so she didn't have to spend any money on groceries. She made biscuits from some old baking soda. They looked great but you could have used them for hocky pucks. They were literally too hard to eat.
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Old 03-08-2011, 12:43 PM   #4
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Baking soda will lose its oomph over time. I think the general rule is that you should replace the can after 6 months...

This statement is true of baking powder. Baking powder cans have an expiration date on them.

Baking soda will last probably forever.
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Old 03-08-2011, 12:56 PM   #5
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Hmm, did the original poster mean lose it's oomph for absorbing odour?

I think it's usually good for three months, though Arm & Hammer says to change the box every 30 days. I extend the life of a box of baking soda in the fridge by shaking or stirring it once in a while to expose "new" baking soda to the air.
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Old 03-08-2011, 12:56 PM   #6
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Oh, you are right. I was thinking of baking powder.
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Old 03-08-2011, 01:16 PM   #7
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Originally Posted by thekitchen-aide View Post
how long does it take for baking soda to become inactive? what is the best way to expand its lifespan?


Keep it dry and away from humidity. We keep ours in mason jars.
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Old 03-08-2011, 01:54 PM   #8
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Hmm, did the original poster mean lose it's oomph for absorbing odour?

I think it's usually good for three months, though Arm & Hammer says to change the box every 30 days. I extend the life of a box of baking soda in the fridge by shaking or stirring it once in a while to expose "new" baking soda to the air.
Supposedly it's a myth that baking soda absorbs odor ...
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Old 03-08-2011, 02:09 PM   #9
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Supposedly it's a myth that baking soda absorbs odor ...
First the myth about potatoes and salt;
Now you're impugning Church & Dwight?
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Old 03-08-2011, 04:39 PM   #10
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Supposedly it's a myth that baking soda absorbs odor ...
Just like with charcoal, baking soda chemically locks with certain odors, changing them so your nose can no longer detect them... the same principle that makes Febreeze so successful.

Science and chemistry in action!
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