racking & bottiling trub = bottle bombs? - Home Brew Forums
Register Now For Free!

Home Brew Forums > Home Brewing Beer > Fermentation & Yeast > racking & bottiling trub = bottle bombs?

Reply
 
Thread Tools
Old 02-20-2013, 02:01 AM   #1
shanek17
Recipes 
 
Apr 2012
st thomas, ontario
Posts: 96
Liked 2 Times on 2 Posts



Something happened to me months ago and i bet you already guessed it haha. Bottle bombs. Or i should say bomb. I had 1 bottle i opened up to taste and it just sprayed everywhere, iv never seen anythin like it. It was just under so much pressure.

I was doing an experiment with 1 gallon beer and chocolate cocoa powder. When i bottled i got most of the liquid bottled and looked at the carboy noticing just enough liquid for another beer! unfortunately i racked some trub (junk in the bottom of fermenter which contains yeast and what not) over to the bottle. Not knowing any better i bottled it and seen it as an experiment within a expeiment! Well something happened because later when i opened it it exploded up an out! So im narrowin if down to the fact that the trub was filled with high population of yeast and this is why. The weird thing is i didnt add prime it with sugar. .. So maybe it was infection....i dunno?
__________________
I wasn't ready for parenthood so I took a class on making beer babies, finally something to nuture!

 
Reply With Quote
Old 02-20-2013, 03:28 AM   #2
MalFet
/bɪər nɜrd/
HBT_LIFETIMESUPPORTER.png
 
MalFet's Avatar
Recipes 
 
May 2010
NYC / Kathmandu
Posts: 8,632
Liked 1474 Times on 975 Posts


Was the beer finished fermenting? The amount of yeast won't affect your carbonation level.
__________________
"Be excellent to each other." -Benjamin Franklin

 
Reply With Quote
Old 03-06-2013, 03:27 AM   #3
Bloom_198d
Recipes 
 
Mar 2013
Calgary, AB
Posts: 30
Liked 5 Times on 5 Posts


Hello,

I have noticed the same phenomena with some of my beers. Usually IPA's with a lot of unsettled sediment (making a wort chiller has helped drastically with this). I have a few theories why this happens but no concrete answers. The first reason is that the trub is filled with large complex proteins which settle out and our not easily fermentable. Unfortunately in the bottle the yeast has the time to break down the carbs and over carbonate the beer. The other theory is that the yeast cannabolize on each other and use the high volume of dead yeast cells in the trub as food to make more co2. Either way give your beers at least two weeks to ferment per 5% abv and check for stalled fermentations.

Adam

 
Reply With Quote
Old 03-06-2013, 03:35 AM   #4
BrewKnurd
 
BrewKnurd's Avatar
Recipes 
 
Mar 2011
Prairieville, LA
Posts: 2,763
Liked 245 Times on 203 Posts


I think what can happen with excessive trub, especially if it didn't pack down in a smooth layer, is that it provides nucleation sites for CO2. That is, the bottles are not over carbonated, they are just more inclined to gush due to the rough surface.

I know I've had bottles gush, but then the remaining beer is not very carbed at all, which is why I think the added nucleation sites may be what's going on.
__________________
Fake it til you make it.

 
Reply With Quote
Old 03-06-2013, 03:39 AM   #5
Stauffbier
HBT_SUPPORTER.png
 
Stauffbier's Avatar
Recipes 
 
Nov 2011
El Paso, TX
Posts: 5,118
Liked 1048 Times on 641 Posts


Quote:
Originally Posted by Bloom_198d View Post
Hello,

The other theory is that the yeast cannabolize on each other and use the high volume of dead yeast cells in the trub as food to make more co2.
This actually sounds plausible to me.

Funny that you had this happen with a batch that contained cocoa powder. The only batch I ever had turn to gushers on me was a batch that was boiled and secondaried with cocoa powder.
__________________
Bier war sein letztes wort dann trugen ihn die Englein fort...


 
Reply With Quote
Old 03-06-2013, 11:56 PM   #6
eastoak
Recipes 
 
Jan 2011
oakland, california
Posts: 3,294
Liked 160 Times on 150 Posts


Quote:
Originally Posted by MalFet View Post
Was the beer finished fermenting? The amount of yeast won't affect your carbonation level.
everyone seems to have missed the one correct post

 
Reply With Quote
Old 03-12-2013, 07:44 PM   #7
shanek17
Recipes 
 
Apr 2012
st thomas, ontario
Posts: 96
Liked 2 Times on 2 Posts


Quote:
Originally Posted by eastoak View Post

everyone seems to have missed the one correct post
It had to have been done. all my other beers were perfectly fine and i actually primed them with sugar. The one thst exploded wasnt primed with sugar. Which is bizzare to me.... The only difference i noticed between them other than the priming sugar was the fact that the beer that exploded contained alot of trub and lees. Perhaps there was condensed co2 in the trub just waitin to fly out!
__________________
I wasn't ready for parenthood so I took a class on making beer babies, finally something to nuture!

 
Reply With Quote
Old 03-12-2013, 07:48 PM   #8
fizgig
HBT_SUPPORTER.png
 
fizgig's Avatar
Recipes 
 
Feb 2013
Royal Oak, MI
Posts: 465
Liked 46 Times on 37 Posts


Quote:
Originally Posted by BrewKnurd View Post
I think what can happen with excessive trub, especially if it didn't pack down in a smooth layer, is that it provides nucleation sites for CO2. That is, the bottles are not over carbonated, they are just more inclined to gush due to the rough surface.

I know I've had bottles gush, but then the remaining beer is not very carbed at all, which is why I think the added nucleation sites may be what's going on.
this.

 
Reply With Quote
Reply
Thread Tools


Similar Threads
Thread Thread Starter Forum Replies Last Post
Excessive trub and racking gedion Beginners Beer Brewing Forum 7 08-19-2013 07:20 PM
Racking without picking up trub mikecshultz Beginners Beer Brewing Forum 13 10-24-2012 07:58 PM
Racking off the Trub DaveGEsq Beginners Beer Brewing Forum 22 02-07-2012 03:11 PM
Staying above the Trub line when racking to secondary RRxGrasshopper Beginners Beer Brewing Forum 12 09-20-2010 10:26 PM
bottiling day screw up lol showtime24 Beginners Beer Brewing Forum 5 01-18-2010 03:20 PM


Forum Jump