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Old 09-01-2009, 02:00 AM   #1
PetVet
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Default Bubbles in my beer line?!......!!*%&#@!!

Hi to all.
So, I inherited a keggerator system from a friend and it had a ton of great stuff already for set up. I pressure-tested the keg I was to use, sanitized it and put beer in it. I bought new gas lines (1/4 inch) about 4 feet long for the gas ball lock fitting(barbed) and put dog-ear clamps on them. I also bought new 3/16 inch hose for the beer line and hooked it up to a new beer ball lock MLF fitting using Oetiker clamps. The distance from the center of the keg to the bottom of the tap is 17 inches and calculates out to only 3 feet of 3/16 inch hose. I ignored this and doubled the length to 6 feet of hose thinking if it was too long I could always cut it down. The serving pressure of the ESB I have on tap is 9psi which is more than what an ESB calls for but I think it is still ok. The problem I am having is, I get air bubbles in my beer line. No matter how long it runs, I see small bubbles coming from the "beer out" side. I figure if I had a leak I'd see beer coming out, but I don't and it doesn't seem to be coming from any fitting. Could it be the pick up tube on the inside of the beer out side or what am I missing? I've tried to keep them out a number of ways but they just keep coming back.... Any help would be greatly appreciated.

Thanks!
Joe


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Old 09-01-2009, 02:06 AM   #2
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How do you carb your kegs?

Mike


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Old 09-01-2009, 02:08 AM   #3
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I could be wrong here but I think you're worrying over nothing.

The bubbles are most likely co2 being knocked out of solution as it goes through the fittings and into the hose. The co2's gotta come out sometime. Better out than in. And if your keg is keeping pressure and not spewing beer all over the place then there is nothing else that it could be.
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Old 09-01-2009, 02:23 AM   #4
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I carb my kegs at 30-40 psi for 24-48 hours. I'll bleed the pressure down to the psi I need and then serve. I probably am just worrying over nothing but, the ESB has a lot of head but isn't overly carbed. I am just wondering if the bubbles are contributing to it. If not, then I'm pretty sure I have OCD and just need to chill.
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Old 09-01-2009, 03:17 AM   #5
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Quote:
Originally Posted by PetVet View Post
I carb my kegs at 30-40 psi for 24-48 hours. I'll bleed the pressure down to the psi I need and then serve. I probably am just worrying over nothing but, the ESB has a lot of head but isn't overly carbed. I am just wondering if the bubbles are contributing to it. If not, then I'm pretty sure I have OCD and just need to chill.
Yes, I think that OCD is the problem . How long did you wait after you force carbed it to take a test pour? In my opinion, it is very difficult to force carb to the right pressure then have a good pour. Usually I over carb the beer slightly and have to wait a couple of more days for it to equalize (by bleeding the keg)
Dont worry, you seem to be doing everything right, provided your fridge temp and tower temp are somwhere in the 40 degree range, you will be alright. It just takes a little time.
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Old 09-01-2009, 04:08 AM   #6
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I have a similar problem...

My problem occurs with a sanke keg. Occasionally, I buy a 5 gallon for special occasions. Friday I bought a New Belgian, Hoptober for Poker Night. My sanke tap was getting a little beat and I had a pro-brewer come help me with it. He thought I had a bad tap that was letting air in so I dropped $70 on a brand new one. - No Help!

After a pour, bubbles escape the keg filling the line or some significant portion of it with air/bubbles. The next beer that is poured sputters and spits the until the line is clear which causes a screwball foamy pour!

We floated the keg Friday but I loved the beer and had to know if it was just the keg so I got a new one today...same freak'n thing!!!!!!

Someone, Please help, this is not normal!
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Old 09-01-2009, 04:11 AM   #7
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It could be that you are applying less pressure than the beer is equalized at so it is off gassing and/or the temperature is different than it was equalized at. I had the same issue a while back because I dialed down the pressure a couple psi. I wouldn't worry about it, it'll even out eventually.
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Old 09-01-2009, 04:16 AM   #8
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Your beer is overcarbonated, or your line is at a higher temperature than the keg.

No big deal. It will equalize eventually.
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Old 09-01-2009, 02:06 PM   #9
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Did you buy thick-walled beer line? If one uses thinner walled stuff, it will actually expand a tiny bit under serving pressures and this allows some of the CO2 to come out of solution - especially as it sits overnight before the first pour the next day.
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Old 09-01-2009, 04:53 PM   #10
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Not sure about the thickness, will check. Good tip, thanks!


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