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Old 03-22-2009, 09:45 AM   #1
Ramsbottom_Brewer
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Default Is my keg gonna explode!!!

My brew has been secondary fermenting in the keg now for a week and the pressure is such that it won't stand up straight. The bottom has blown out a bit.

Should I stay stead fast and rely on my pressurised keg holding or is the thing gonna explode?

I put enough priming sugar in for 40 pints (as per the instructions) but the keg is not full so I may have put too much in.

I know the general advice is normally to relax and see what happens but beer all over my spare room may cause the wife to... well, you get my drift.

I was gonna release a couple of pints tonight. It may be green but it would release the pressure a little. Thoughts?

Mark

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Old 03-22-2009, 10:25 AM   #2
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I've never had a keg bulge out. I'd release the pressure. IMHO there is either something wrong with the keg or the pressure is way too high.

Are you sure fermentation was done when you kegged?

Have you used this keg before?

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Old 03-22-2009, 11:24 AM   #3
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Gravity readings were constant so I assumed fermentation had ended. I've never used the keg before. I'll contact the vendor and see what they suggest.

How should I release the pressure? Release some of the ale or open to top? The latter worries me.

Mark.

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Old 03-22-2009, 11:47 AM   #4
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What kind of keg are we speaking about here? A Cornelius keg? If it's a Cornelius, pull the relief valve attached to the lid to vent off the excess gas.

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Old 03-22-2009, 11:52 AM   #5
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Basic bog standard beginners keg with no release valve. It seems very strong and unlikely to explode but I've never done this before. Its only the bottom that has bulged out as there's a bit of a recess to keep it upright.

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Old 03-22-2009, 12:45 PM   #6
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Update - I was too worried to leave it any longer. Tried to open the bottom value and pull off a couple of pints but was just faced with a torrent of liquid that produced a pint of head (that would not settle).

I assume that this meant there was far too much CO2 above the brew pushing it down. Am I right here?

So I did the unthinkable and slowly unscrewed the lid. I think all the CO2 escaped so there'll be a fair bit of oxygen in there now. Oh well...

The bulge did not go down.

I may try and leave it now for a couple of weeks and see what happens.

Thanks for the help.

Is this what being a beginner is all about... learning from my mistakes...

Mark

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Old 03-22-2009, 01:13 PM   #7
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Ok, we need a picture. This isnt a corny keg. I dont have a bottom valve on my corny keg, and I dont have a lid that unscrews. We can help get you going, but we need to know what kind of keg is it. Is it plastic, stainless? Corny kegs hold like 120psi (or so). You said 40 pints, so I guess we're not talking about 5L kegs. Sorry but I am confused, and interested in what type of keg this is. We'd like to figure this out, to help you and others who find themselves in the same situation.

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Old 03-22-2009, 01:31 PM   #8
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Are you talking about a plastic Keg? and are you British?
My guess is yes to both questions.
The Plastic kegs are suitable for very low levels of carbonation like you get with a draught ale in the pub. If you're British, you should know what I'm talking about, and appreciate the correct spelling.
If the pressure is building up. you need to release some pressure. (I see you have found that out).
You should also not use anything like as much priming sugar for the next batch. Draught Ale needs very little compared to bottled. For your next batch, I'd cut the priming sugar by at least 50%, and possibly more.

-a.

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Old 03-22-2009, 01:45 PM   #9
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Quote:
Originally Posted by Ramsbottom_Brewer View Post
...so there'll be a fair bit of oxygen in there now. Oh well...
No, no there won't.
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Old 03-22-2009, 04:26 PM   #10
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I am in the UK and was brewing the following:

Woodfordes Wherry Bitter

To see my keg in its current state click here

And to see the screw top click here

Sorry I could not paste the shots on the thread - not sure why.

The instructions said to put half a teaspoon of sugar in per pint. I may have put a little too much in. Would that have caused the bulge though?

Now I've let out a load of the CO2, I'm gonna let it condition for another 2 weeks (as per the instructions) and see what it tastes like. I don't know what green beer tastes like yet but what I drank today I am going to assume is green beer.

During the two weeks I may release a little gas here and there.

I'm sure it will all come good in the end.

Any other advice or guidance with my issue will be appreciated.

Thanks,

Mark

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