Flavour change as keg empties

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Yamifz1
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Flavour change as keg empties

Post by Yamifz1 » Sun Sep 16, 2018 5:18 pm

Hello from a very novice (new) brewer. I have a question that I`ve tried to research but came up empty.
Recently I`ve made a Blue Moon clone (fantastic beer, my new favorite beer) which tasted great, However, as I get near the end of the keg I`m finding that the beer is loosing it`s flavor and picking up a bit of a bitter taste or leaving an aftertaste. I recently had a red that seem to do the same thing as the keg neared being empty. Any idea why this is happening? Is there something that I should be doing that would help with the taste as the keg empties?

Thanks in advance for the help :cheers:

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Tim Gregory
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Re: Flavour change as keg empties

Post by Tim Gregory » Sun Sep 16, 2018 5:35 pm

How quickly are you drinking it? It could just be changes due to aging.

Yamifz1
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Re: Flavour change as keg empties

Post by Yamifz1 » Sun Sep 16, 2018 5:58 pm

probably about 3 weeks to a month

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oceanic_brew
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Re: Flavour change as keg empties

Post by oceanic_brew » Sun Sep 16, 2018 9:19 pm

I was initially thinking that your beer had a bit more yeast in suspension and that was giving it a more rounded out flavor. I’ve experienced my hefs and other wheat beers do that.



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Yamifz1
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Re: Flavour change as keg empties

Post by Yamifz1 » Sun Sep 16, 2018 10:11 pm

Alright, so is there something I can do about it?

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EastCoastHoppers
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Re: Flavour change as keg empties

Post by EastCoastHoppers » Fri Sep 21, 2018 6:57 am

Is the aftertaste kind of metallic? It could be carbonic acid bite from getting more CO2 into the beer as the headspace increases. You could try dialing down your CO2 a bit as your keg empties. If you are using a keezer with no air flow inside, it could also be getting colder as it empties which would suppress flavor and make it take up more CO2 giving the aftertaste.

A quick test would be to tap out a glass, let it warm up a bit it stir it a little to drive off some of the gas. See if that changes things.
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Re: Flavour change as keg empties

Post by HotBreak » Thu Sep 27, 2018 7:41 am

I was thinking CO2 aswell. I have had that problem before when I over carbonated. Try turning you gas down/off as you empty the keg so you don’t force more CO2 in
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