A short piece of vinyl hose spent 6 weeks in my beer -- now it's yellow and smells... - Home Brew Forums
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Old 02-21-2013, 03:56 AM   #1
Join Date: Dec 2011
Location: Kingston, Ontario
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Default A short piece of vinyl hose spent 6 weeks in my beer -- now it's yellow and smells...

This is an odd one, but here we go:

About 6 weeks ago I brewed a Schwarzbier, and aerated it using my usual method: a 2" long chunk of 3/8" vinyl hose with a hole poked in it -- my ghetto venturi aerator.

Somewhere during the transfer, disaster struck, and the vinyl hose ended up in the carboy (and a gallon of schwarzbier ended up on the lawn) but I pulled together, finished 'er up and recovered. By the time I noticed the vinyl hose had disappeared into the carboy, I figured "how much harm could it do, anyways?" and wrote off any efforts to retrieve it as too damaging to the beer overall.

Tonight I finally racked it to secondary, and when I recovered the vinyl hose, it was still in one piece, but was discoloured a vibrant yellow, and smells strongly of urine (ammonia?) when you hold it to your nose. The beer itself doesn't seem off in any noticeable way.

So, folks, is this actually a concern, or was my original hypothesis ("Totally not worth worrying about") correct?

Fermenting: American Stout
Kegged: Biere de Garde, Premium American Lager, "May Day" Belgian Pale Ale, "Witty Retort" Light RyePA, "Spring Break" Marzen
Bottled: "Sh!tshow" Schwarzbier, Maibock, Saison, Kolsch
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Old 02-21-2013, 04:46 AM   #2
Join Date: Jan 2011
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who knows if the hose leached something into the beer but i eliminated all vinyl hoses from my brewhouse as soon as i learned about silicone hoses.

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Old 02-21-2013, 05:16 AM   #3
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Changing just one word in your subject line describes my stint in the Army perfectly.
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Old 02-21-2013, 01:45 PM   #4
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I'm not sure about the smell, but vinyl likes to turn yellow. Your beers probably ok, but you might want to discard that tube and make a new one for future use.
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