# Quickest way to reduce soft drink carbonation?

**URL:** <https://boards.straightdope.com/t/quickest-way-to-reduce-soft-drink-carbonation/482536>\
**Category:** Factual Questions\
**Created:** [January 22, 2009, 10:59pm UTC](https://boards.straightdope.com/t/quickest-way-to-reduce-soft-drink-carbonation/482536 "2009-01-22T22:59:29Z")\
**Posts on this page:** 5\
**Page:** 3

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**Author:** ![Ike\_Witt](https://sea3.discourse-cdn.com/straightdope/user_avatar/boards.straightdope.com/ike_witt/32/283_2.png) [@Ike\_Witt](https://boards.straightdope.com/u/Ike_Witt)\
**Post date:** [March 11, 2017, 5:44pm UTC](https://boards.straightdope.com/t/quickest-way-to-reduce-soft-drink-carbonation/482536/41 "2017-03-11T17:44:26Z")

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I’m guessing the urgency has waned in the last 8 years.

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**Author:** ![CC](https://avatars.discourse-cdn.com/v4/letter/c/f1d935/32.png) [@CC](https://boards.straightdope.com/u/CC)\
**Post date:** [March 11, 2017, 6:00pm UTC](https://boards.straightdope.com/t/quickest-way-to-reduce-soft-drink-carbonation/482536/42 "2017-03-11T18:00:11Z")

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I imagine it’s flat by now.

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**Author:** ![running\_coach](https://sea3.discourse-cdn.com/straightdope/user_avatar/boards.straightdope.com/running_coach/32/15836_2.png) [@running\_coach](https://boards.straightdope.com/u/running_coach)\
**Post date:** [March 11, 2017, 6:07pm UTC](https://boards.straightdope.com/t/quickest-way-to-reduce-soft-drink-carbonation/482536/43 "2017-03-11T18:07:38Z")

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> [@CC](#):
>
> I imagine it’s flat by now.

Probably evaporated.

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**Author:** ![Weisshund](https://avatars.discourse-cdn.com/v4/letter/w/ba8739/32.png) [@Weisshund](https://boards.straightdope.com/u/Weisshund)\
**Post date:** [March 11, 2017, 6:43pm UTC](https://boards.straightdope.com/t/quickest-way-to-reduce-soft-drink-carbonation/482536/44 "2017-03-11T18:43:25Z")

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> [@smuir](#):
>
> When I’m in a hurry, I pour a half can into a glass then, using a glass of similar size, pour it back and forth from one glass to the other until all bubbles go away…takes 6-8 “pours.”

Apparently it has taken you 7 years to get rid of those bubbles?

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**Author:** ![Saint\_Cad](https://sea3.discourse-cdn.com/straightdope/user_avatar/boards.straightdope.com/saint_cad/32/18907_2.png) [@Saint\_Cad](https://boards.straightdope.com/u/Saint_Cad)\
**Post date:** [March 11, 2017, 9:40pm UTC](https://boards.straightdope.com/t/quickest-way-to-reduce-soft-drink-carbonation/482536/45 "2017-03-11T21:40:08Z")

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> [@Ottoerotic](#):
>
> I feel your pain, here’s what I do with soda bottles.
> 
> I open it and take one horrible carbonated ship. This frees up room in the bottle, I then loosely place the cap on it and squeeze as much air out of the bottle as possible. I screw the cap on tightly and slightly shake it causing the released CO2 to expand inside the bottle and it’s shape to return to normal. I then open the bottle again and squeeze out the air and CO2 a second time.
> 
> Close the cap and repeat, this time usually enough of the initial CO2 has left the bottle andI can shake it pretty vigorously without worrying about it overflowing. Repeat as necessary, but I think at most I’ve had to repeat it only 3 times to get a perfectly flattened soda.

I do this exact same thing

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