Answers.Body: <p>Cask ales are not stored under pressure , and require a pump to transfer the beer from the cask.  As the ale is not under pressure, it is also not as heavily carbonated as other beers.</p>
  
  <p>In contrast kegged beer is stored under pressure, and is forced to the tap by pumping gas into the keg (usually carbon dioxide or nitrogen).</p>
  
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Answers.Text: And what is the effect on the beer?
Answers.UserDisplayName: AviD
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Answers.Text: How do you mean?  One style of beer is carbonated, and the other isn't.
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Answers.Text: Thank you, that is not clear from your answer.
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Answers.Text: Just to be clear, cask ale does have carbonation.  It's much lower, usually about one or 1.5 volumes to the 3-5 of most beer.  It's not carbonated, but it is conditioned.
Answers.UserDisplayName: couchand
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Answers.Text: You can also tap a cask and let gravity do the work.
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Answers.Text: Can you clarify what you mean by "stored under pressure"?  It was my understanding that a kegged beer may be voided of oxygen, but not necessarily under (greater than standard atmospheric) pressure.
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Answers.Body: <p>Cask beer is not kept under pressure whereas Keg beer is (with CO2 or a nitrogen mixture).</p>
  
  <p>Beers served in Cask vs Keg (w/ CO2) vs Keg (w/ Nitro) will have slightly different tastes and appearances.  Cask beer will be a "flatter" due to the lack of pressure keeping the CO2 in solution in the beer.  Cask beer can also take on a butterscotch flavor due to the exposure to air.  Hoppy beers will be mellowed in the Cask vs in a Keg.  Beer in a cask needs to be drank within a few days of opening the cask due to the exposure to oxygen.</p>
  
  <p>Kegs served with CO2 are typically how beers are served.  If the keg is using a Nitro tap, the beer will get a smoother milky texture due to the gas and the head will cascade in waves.  The beer will last much longer in a keg because of the gas keeping oxygen away from the beer.</p>
  
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Answers.UserDisplayName: Schleis
Answers.Body: <p>Depends on who you ask. Both of these answers are correct but some would take the definition of cask ale a little further by defining it as an ale that is unfiltered and unpasteurised and conditioned (including secondary fermentation) and served from a cask without additional nitrogen or carbon dioxide pressure.</p>
  
  <p>One of our local beer shops has a few cask ales on tap, ran by someone from England. He often scolds beer sold as cask ales which were only placed into the cask after fermentation is completed.</p>
  
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Answers.UserDisplayName: Wayne In Yak
Body: <p>Cask ales seem popular outside of the US (especially in the UK).  What distinguishes that style of beer from  beer out of a normal keg?</p>
  
Tags: <serving>
Title: What's the difference between a cask beer and a kegged beer?
UserDisplayName: Fishtoaster
ThreadText: # What's the difference between a cask beer and a kegged beer?
  
  (Asked by: username_0 on 2014-01-29)
  
  Cask ales seem popular outside of the US (especially in the UK). What distinguishes that style of beer from beer out of a normal keg?
  
  **Tags:** serving
  
  
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  ## 3 answers
  
  ### Answer by username_1 on 2014-01-29. Score: 18
  
  Cask ales are not stored under pressure , and require a pump to transfer the beer from the cask. As the ale is not under pressure, it is also not as heavily carbonated as other beers.
  
  In contrast kegged beer is stored under pressure, and is forced to the tap by pumping gas into the keg (usually carbon dioxide or nitrogen).
  
  > **Comments:**
  > **username_2**: And what is the effect on the beer?  
  > **username_1**: How do you mean?  One style of beer is carbonated, and the other isn't.  
  > **username_2**: Thank you, that is not clear from your answer.  
  > **username_3**: Just to be clear, cask ale does have carbonation.  It's much lower, usually about one or 1.5 volumes to the 3-5 of most beer.  It's not carbonated, but it is conditioned.  
  > **username_4**: You can also tap a cask and let gravity do the work.  
  > **username_5**: Can you clarify what you mean by "stored under pressure"?  It was my understanding that a kegged beer may be voided of oxygen, but not necessarily under (greater than standard atmospheric) pressure.  
  
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  ### Answer by username_6 on 2014-01-29. Score: 9
  
  Cask beer is not kept under pressure whereas Keg beer is (with CO2 or a nitrogen mixture).
  
  Beers served in Cask vs Keg (w/ CO2) vs Keg (w/ Nitro) will have slightly different tastes and appearances. Cask beer will be a "flatter" due to the lack of pressure keeping the CO2 in solution in the beer. Cask beer can also take on a butterscotch flavor due to the exposure to air. Hoppy beers will be mellowed in the Cask vs in a Keg. Beer in a cask needs to be drank within a few days of opening the cask due to the exposure to oxygen.
  
  Kegs served with CO2 are typically how beers are served. If the keg is using a Nitro tap, the beer will get a smoother milky texture due to the gas and the head will cascade in waves. The beer will last much longer in a keg because of the gas keeping oxygen away from the beer.
  
  
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  ### Answer by username_7 on 2016-01-05. Score: 3
  
  Depends on who you ask. Both of these answers are correct but some would take the definition of cask ale a little further by defining it as an ale that is unfiltered and unpasteurised and conditioned (including secondary fermentation) and served from a cask without additional nitrogen or carbon dioxide pressure.
  
  One of our local beer shops has a few cask ales on tap, ran by someone from England. He often scolds beer sold as cask ales which were only placed into the cask after fermentation is completed.
  
  
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