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Old 05-28-2012, 01:24 AM   #1
inturnldemize
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Default Bottle Bombs?

How likely are bottle bombs? I'm a little worried about this. I have a 5 gallon batch i'm about to bottle and the recipe calls for 1 1/4 cup of DME. However, I don't know if this takes into account that i've taken out about 2 cups of beer for hydrometer readings. Basically, how exact does this 1 1/4 cup have to be? If i'm a little over or a little under is it fine? Will I just end up with over carbonated beer?

Thanks!

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Old 05-28-2012, 01:33 AM   #2
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I have never used dme to carbonate, but I did have bottle bombs once. I have been brewing for close to 14 years, and I find a half cup of priming sugar works fine

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Old 05-28-2012, 02:02 AM   #3
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The hydrometer samples account for 2.5% of your batch. That is nothing. Not to mention that ~160g of DME is only carbing you to ~ 2 volumes. You would have to double the weight of DME to get you to 3 volumes. All of that is well within what most bottles can handle.

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Old 05-28-2012, 02:10 AM   #4
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If your recipe calls for that amount, you should be fine. A pint difference in volume shouldn't make a noticeable differencein carbonation. Tastybrew.com has a great calculator for priming amounts, if you want to check for sure, or use it for future brews.

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Old 05-28-2012, 01:34 PM   #5
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Thanks guys, your replies are very much appreciated!

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Old 05-28-2012, 02:00 PM   #6
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Bottle bombs occur due to bottling too soon, and/or an infection that continues to slowly ferment past the point when the yeast stopped. 1.25cups should be ok, but this should be a Belgian or Hefe, right?

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Old 05-28-2012, 02:48 PM   #7
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1.25 cups of DME is actually pretty low- if the beer is finished when you bottle, you have no worries about bottle bombs.

I've brewed over 300 batches, and bottled 200 of those! And I've never had a bottle bomb. They only happen if fermentation isn't finished or if the priming solution isn't mixed in to the finished beer (so that one bottle gets most of the sugar instead of the whole batch). You'll be fine.

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Old 05-28-2012, 03:44 PM   #8
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Well, I made an IPA. It's been in the primary for 8 days now. By the time I bottle i'll be at 11 days in the primary so i'm pretty sure fermentation will be done by then. Heck, I think fermentation is done now! My hydro readings have been pretty constant the last 3 days. I'll take one on Wednesday and then bottle on Friday night. Basically i'm just letting everything settle right now and clearing it a little.

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Old 05-28-2012, 06:07 PM   #9
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I wouldn't bottle after 8 days. I can't imagine your beer being very clear after 8 days.

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Old 05-28-2012, 06:57 PM   #10
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Quote:
Originally Posted by inturnldemize
Well, I made an IPA. It's been in the primary for 8 days now. By the time I bottle i'll be at 11 days in the primary so i'm pretty sure fermentation will be done by then. Heck, I think fermentation is done now! My hydro readings have been pretty constant the last 3 days. I'll take one on Wednesday and then bottle on Friday night. Basically i'm just letting everything settle right now and clearing it a little.
IMHO 11 days is not enough time and pretty constant to me does not mean identical readings meaning absolutely no change.

Remember that while you may get constant readings there is a phase of fermentation that occurs after that when the yeast will continue to clean up, flocculate and help clear your beer and generally most people recommend a period of 2 weeks total for all that to happen and most people on this site would suggest 3-4.

As for your priming +1 to the above suggestions in recalculating your DME amounts. Also take into account the using DME will typically require more conditioning and carbonating time before your packaged beer will be ready to enjoy.
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