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 Post subject: That beer line taste problem and is it really the beer line?
PostPosted: Thu Jan 28, 2010 4:42 pm 
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Joined: Tue Jan 26, 2010 4:16 pm
Posts: 64
I've been experiencing a ongoing problem. A strong plastic off taste when beer sits in my line for more than about 2-3 minutes. I know the beer coming out of the keg is ok, and I can drink it as long as I avoid leaving any in the line. The small amount of beer in the line also foams up violently when released into the glass. But I've changed my lines about 4-5 times, used different taps, guns, stripped discos, taps etc. PBW soak, etc, etc. Other people do not have these problems with the same line types (poly, vinyl etc), as I have witnessed it myself drinking their beer. I can understand a small taint, but mine is extreme.

My question is: can something in my beer (PH, high sodium brewing water, etc) react with the typical beerline materials to cause plasticty taste problems?

Any ideas?


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 Post subject: Re: That beer line taste problem and is it really the beer line?
PostPosted: Thu Jan 28, 2010 5:57 pm 
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Joined: Wed Mar 08, 2006 6:37 pm
Posts: 1953
Location: Nokomis, Florida, USA
What is the source of your beer line? Is it actual beer line from a brewing store or restaurant supply place OR is it from the hardware store?

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What's on tap: Cream Ale, Imperial Blonde
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 Post subject: Re: That beer line taste problem and is it really the beer line?
PostPosted: Thu Jan 28, 2010 7:47 pm 
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Joined: Tue Jan 26, 2010 4:16 pm
Posts: 64
Latest line is from homebrew supply store.

EVA-BEVERAGE TUBE 8MM-5/16".SOLD BY THE METER.DESCRIPTION:formulated from Ethylene Vinyl Acetate, a food grade compound which will not taint beverages.It has good flexibility, a mirror smooth bore and excellent abrasion resistance.COLOUR: Translucent.Temp Rating:-20 to 75 C.DIMENSIONS:OD 8mm ID 5mm. Working Pressure:40 PSI @ 20C.

Used simple vinyl previously and that was similar but worse. Noticed my friends dont have the same problem with thier beer with the same lines. Therefore I think something in my beer is promoting this reaction in the line. Just looking for ideas on what might be doing this? :?:


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 Post subject: Re: That beer line taste problem and is it really the beer line?
PostPosted: Thu Jan 28, 2010 8:14 pm 
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Joined: Mon Apr 27, 2009 6:07 pm
Posts: 449
Location: Jamison, PA
I use both of these with no problems:
http://www.northernbrewer.com/brewing/k ... rsion.html
http://www.micromatic.com/draft-keg-bee ... 7C60A.html


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 Post subject: Re: That beer line taste problem and is it really the beer line?
PostPosted: Thu Jan 28, 2010 8:49 pm 
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Joined: Mon Nov 19, 2007 12:36 pm
Posts: 430
Location: California
It can absolutely be your beer line. I have had problems with Foxx Superflex beer lines giving my beer a strong vinyl taste. I didn't wait for it to possibly go away, I just replaced the lines with the opaque stuff.


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 Post subject: Re: That beer line taste problem and is it really the beer line?
PostPosted: Fri Jan 29, 2010 3:53 am 
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Joined: Sun Nov 25, 2007 6:46 am
Posts: 3426
:asshat:


Last edited by Sent From My iPhone on Mon May 02, 2011 12:19 pm, edited 2 times in total.

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 Post subject: Re: That beer line taste problem and is it really the beer line?
PostPosted: Fri Jan 29, 2010 5:10 am 
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Joined: Tue Nov 25, 2008 5:04 am
Posts: 226
Location: Colorado Springs
I have fox lines and have noticed that flavor but my in my lighter beers like a German Pills and my Belgian Blonde. I will run a few ounces out and pour it out and then it is good to go but still worries me a bit.


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 Post subject: Re: That beer line taste problem and is it really the beer line?
PostPosted: Sat Jan 30, 2010 5:43 pm 
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Joined: Tue Jan 26, 2010 4:16 pm
Posts: 64
Update - found some severe pitting to the stainless on the beer out poppet to this keg. Replaced the poppet and will see how it goes later today.


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