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beer changes flavor

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majorvices:
How did you age them? I'm thinking that if you aged them in a carboy and then racked to corny you could have introduced some o2 which would cause flavor degradation.

jimrod:
I go from primary directly to the corny and I release the pressure a few times to help purge the o2. I don't know of any other way to do it.

Beer bars might pour hundreds of gallons per week. It's not practical to use line cleaner before the 5 gal keg is even finished.

morticaixavier:

--- Quote from: jimrod on February 04, 2013, 05:22:39 AM ---I go from primary directly to the corny and I release the pressure a few times to help purge the o2. I don't know of any other way to do it.

Beer bars might pour hundreds of gallons per week. It's not practical to use line cleaner before the 5 gal keg is even finished.

--- End quote ---

you can fill the empty keg with sanitizer right to the very brim, seal it up and force that sanitizer out with co2. this should remove almost all the o2 so when you wrack from primary into the keg there is no o2 contact to speak up.

I like to run cleaner through my cobra taps every time a keg empties. since the keg already has cleaner in it I just run it off through the tap. I imagine you could do the same thing for regular faucets no?

for the short term you could pour the first ounce or so into a slop bucket which should get rid of any grossness in the lines from the beer sitting for x days.

Joe Sr.:
If it's the whole second half of the keg it could be the keg itself.  It doesn't sound from the OP like its just the beer in the lines.

Have you replaced all the seals on the kegs?

There was also another thread where someone had bad beer lines.  The tubing was not rated for liquid and was causing a nasty plastic flavor.

tschmidlin:

--- Quote from: jimrod on February 04, 2013, 05:22:39 AM ---Beer bars might pour hundreds of gallons per week. It's not practical to use line cleaner before the 5 gal keg is even finished.

--- End quote ---
Not on a regular basis, no, but when your beer is tasting funny?  Absolutely clean the lines.  While you have the keg disconnected, hook up a cobra faucet and try it that way, see if the off flavor is in the keg.

If it is, it's entirely possible that the off flavor started in the lines and has migrated to the keg.

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