Answers.Body: <p>Foam comes from over pumping. For most of my keg beers I (with a CO2 tank) use about 11-15psi). For a hand pump this is more difficult. You will have to resist the urge to over pump. If you are a little more engineer-minded you can look at <a href="http://www.wikihow.com/Stop-Guests-from-Overpumping-the-Keg" rel="nofollow">THIS</a> article to gauge more consistently your tap pressures. Make sure you let the keg settle after moving as well. Just like shaking a soda can, a lot of jarring will make the CO2 come out of solution. </p>
  
  <p>A trick I use on my homebrew system (I use 5 gallon kegs) is gently placing the keg on its side and slowly rolling it about 3 feet forward and then 3 feet back. Then, I place it back in the fridge and repeat 3 times throughout the day. This helps the CO2 re-dissolve into the beer. However, if you are pulling the keg out of a trunk, throwing it in a trash can and packing it with ice...this solution isn't viable. In which case you want to let it settle and resist the urge to over pump.</p>
  
Answers.ContentLicense: CC BY-SA 3.0
Answers.CreationDate: 2014-01-22T15:37:58.247Z
Answers.LastActivityDate: 2014-01-22T19:30:08.067Z
Answers.LastEditDate: 2014-01-22T19:30:08.067Z
Answers.UserDisplayName: BryceH
Body: <p>When using a keg setup at home, either with a hand pump or a pressurized system, I keep getting a lot of foam after changing and/or pumping up the air pressure (In a hand system).</p>
  
  <p>This appears to me to be wasting beer, so how can I avoid this overfoaming of the pour?</p>
  
Tags: <pouring><preparation-for-drinking>
Title: How to avoid keg foam?
UserDisplayName: JohnP
ThreadText: # How to avoid keg foam?
  
  (Asked by: username_0 on 2014-01-22)
  
  When using a keg setup at home, either with a hand pump or a pressurized system, I keep getting a lot of foam after changing and/or pumping up the air pressure (In a hand system).
  
  This appears to me to be wasting beer, so how can I avoid this overfoaming of the pour?
  
  **Tags:** pouring, preparation-for-drinking
  
  
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  ## 1 answers
  
  ### Answer by username_1 on 2014-01-22. Score: 4 | Accepted answer
  
  Foam comes from over pumping. For most of my keg beers I (with a CO2 tank) use about 11-15psi). For a hand pump this is more difficult. You will have to resist the urge to over pump. If you are a little more engineer-minded you can look at [THIS](http://www.wikihow.com/Stop-Guests-from-Overpumping-the-Keg) article to gauge more consistently your tap pressures. Make sure you let the keg settle after moving as well. Just like shaking a soda can, a lot of jarring will make the CO2 come out of solution.
  
  A trick I use on my homebrew system (I use 5 gallon kegs) is gently placing the keg on its side and slowly rolling it about 3 feet forward and then 3 feet back. Then, I place it back in the fridge and repeat 3 times throughout the day. This helps the CO2 re-dissolve into the beer. However, if you are pulling the keg out of a trunk, throwing it in a trash can and packing it with ice...this solution isn't viable. In which case you want to let it settle and resist the urge to over pump.
  
  
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