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Date: 26 Aug 2006 06:16:52
From: Adam Preble
Subject: When should hissing stop when charging a keg?
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It looks like I have a gathering coming up so I'll be serving some of my
lager from the keg after all. As such, I have to shift from just
getting enough pressure to maintain a seal on the corny keg to actually
carbonating it. I have it lagering still at 35F and decided I want it
pretty fizzy at 2.8-3.0 volumes CO2. A table I saw suggested a pressure
of 15psi to do that.
When I charge the keg, I hear a hissing sound that I can quite make out.
Maybe it's too light or maybe I need to throw pure dish soap on the
fitting to find a bubble. As it stands, I don't know what's causing it,
but I don't think it's the sound of gas entering the keg.
My question is, assuming the beer was already carbonated a little bit,
how long could I expect to hear air flowing into the keg before it
quiets out? I understand that doesn't mean it's properly carbonated,
but I don't want to keep this fitting on for a few days if it's going to
bleed off CO2 constantly. It also means I'd have to fix it for serving.
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Date: 26 Aug 2006 12:51:05
From: William Benz Jr
Subject: Re: When should hissing stop when charging a keg?
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"Adam Preble" <rockobonaparte@hotmail.com > wrote in message
news:oHRHg.450$o42.55@tornado.texas.rr.com...
> It looks like I have a gathering coming up so I'll be serving some of my
> lager from the keg after all. As such, I have to shift from just
> getting enough pressure to maintain a seal on the corny keg to actually
> carbonating it. I have it lagering still at 35F and decided I want it
> pretty fizzy at 2.8-3.0 volumes CO2. A table I saw suggested a pressure
> of 15psi to do that.
>
> When I charge the keg, I hear a hissing sound that I can quite make out.
> Maybe it's too light or maybe I need to throw pure dish soap on the
> fitting to find a bubble. As it stands, I don't know what's causing it,
> but I don't think it's the sound of gas entering the keg.
>
> My question is, assuming the beer was already carbonated a little bit,
> how long could I expect to hear air flowing into the keg before it
> quiets out? I understand that doesn't mean it's properly carbonated,
> but I don't want to keep this fitting on for a few days if it's going to
> bleed off CO2 constantly. It also means I'd have to fix it for serving.
I would use water and soap on the entire keg top including the gas in
connector.
Water and dish soap should find any leak you can hear. I have had kegs that
didn't leak until I hooked up the gas. They were leaking between the post
and connector.
I wouldn't think it would take more than an hour for the gas in the
headspace of the keg to equalize with the outside pressure. As the CO2
outgasses from the beer to the headspace, it will still escape out the keg
but I don't know if you will hear it.
Hope this helps
Bill
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Date: 26 Aug 2006 08:27:35
From: Tom Biasi
Subject: Re: When should hissing stop when charging a keg?
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"Adam Preble" <rockobonaparte@hotmail.com > wrote in message
news:oHRHg.450$o42.55@tornado.texas.rr.com...
> It looks like I have a gathering coming up so I'll be serving some of my
> lager from the keg after all. As such, I have to shift from just getting
> enough pressure to maintain a seal on the corny keg to actually
> carbonating it. I have it lagering still at 35F and decided I want it
> pretty fizzy at 2.8-3.0 volumes CO2. A table I saw suggested a pressure
> of 15psi to do that.
>
> When I charge the keg, I hear a hissing sound that I can quite make out.
> Maybe it's too light or maybe I need to throw pure dish soap on the
> fitting to find a bubble. As it stands, I don't know what's causing it,
> but I don't think it's the sound of gas entering the keg.
>
> My question is, assuming the beer was already carbonated a little bit, how
> long could I expect to hear air flowing into the keg before it quiets out?
> I understand that doesn't mean it's properly carbonated, but I don't want
> to keep this fitting on for a few days if it's going to bleed off CO2
> constantly. It also means I'd have to fix it for serving.
You need to find the leak.
Don't use pure dish soap, put a few drops in a spray bottle of water and
spray the fittings and hoses.
Tom
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Date: 28 Aug 2006 06:37:07
From: GeoffT
Subject: Re: When should hissing stop when charging a keg?
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Do you have your regulator screwed on as tight as you can get it onto
the cylinder? I had to use a monkey wrench to get it tight enough so it
wouldn't leak.
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Date: 28 Aug 2006 18:43:22
From: John 'Shaggy' Kolesar
Subject: Re: When should hissing stop when charging a keg?
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On Sat, 26 Aug 2006 06:16:52 GMT, <rockobonaparte@hotmail.com > wrote:
> It looks like I have a gathering coming up so I'll be serving some of my
> lager from the keg after all. As such, I have to shift from just
> getting enough pressure to maintain a seal on the corny keg to actually
> carbonating it. I have it lagering still at 35F and decided I want it
> pretty fizzy at 2.8-3.0 volumes CO2. A table I saw suggested a pressure
> of 15psi to do that.
>
> When I charge the keg, I hear a hissing sound that I can quite make out.
> Maybe it's too light or maybe I need to throw pure dish soap on the
> fitting to find a bubble. As it stands, I don't know what's causing it,
> but I don't think it's the sound of gas entering the keg.
>
> My question is, assuming the beer was already carbonated a little bit,
> how long could I expect to hear air flowing into the keg before it
> quiets out? I understand that doesn't mean it's properly carbonated,
> but I don't want to keep this fitting on for a few days if it's going to
> bleed off CO2 constantly. It also means I'd have to fix it for serving.
Initially you're just filling up the headspace in the keg, so unless you're
shaking it or something it shouldn't hiss for very long. If you bump
up the pressure to 15PSI and it hisses for more than a couple minutes then
it sounds like you've got a leak somewhere.
John.
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