How much corn sugar would create bottle bombs?

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How much corn sugar would create bottle bombs?

Postby Beach Brewer » Tue Jun 15, 2004 10:28 am

I want to experiment with the level of carbonation in my bottles but I want to avoid making an entire batch of bottle bombs. I'd like my Pale Ales to have more carbonation than they currently have. Right now I add 4 oz. of corn sugar to 5 gallons of Pale Ale. At 74F this gives me a Volume of CO2 @ 2.25 volumes. The CO2 range for Pale Ales is 2.3-2.8 vols. Now a vol of 2.8 requires a whopping 5.4 oz of corn sugar for 5 gallons. I'm looking for about 2.6 vol of CO2 which requires 4.9 oz. of corn sugar.

Has anyone sucessfully used 5 oz. of corn sugar to prime a 5 gallon batch of beer and NOT had any bottle bombs?
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Postby PolarOpposites » Tue Jun 15, 2004 10:49 am

The first kits I bought, when I was starting out, came with 5 oz of corn sugar for bottling. Knowing nothing at all, I used it all just like the instructions told me. Luckily I never had any bottle bombs. [knock on wood]

I think the kits were an Amber Ale and a Nut Brown, maybe?

How do you go about measuring the amount of carbonation in bottles?
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Postby Maineac » Tue Jun 15, 2004 12:15 pm

I almost always use 5 oz of corn sugar to prime. No problems. I suspect you would have to double the corn sugar, i.e.: 8-10 oz, to get a bomb.
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Postby Beach Brewer » Tue Jun 15, 2004 12:20 pm

Thanks for the info guys. I'm going to prime with 4.5 oz of corn sugar in about an hour and i'll use 5 oz on my next APA. I just wanted to make sure 5 oz. of corn sugar on a 5 gallon batch wasn't going to be dangerous. :shock:
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Postby TapeWorm » Tue Jun 15, 2004 12:59 pm

About time for you with kegs Beatch Brewer:)
Its five o'clock somewhere.
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Postby Beach Brewer » Tue Jun 15, 2004 1:35 pm

Haha. I'll get around to it when i'm good and ready! :wink:
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Postby Ray_M » Tue Jun 15, 2004 2:39 pm

I use one ounce corn sugar for each gallon of beer, usualy that ends up at 4.5 ounces / gallons in the bottling bucket.
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Postby Triple Freak » Wed Jun 16, 2004 3:45 am

It depends on several things that no one has taken into account so far.
One is the amount of residual sugars in the beer when you bottle.
Two is the strength and viability of the yeast after fermentation.
If you have a lot of sugars left in the beer, you can have bottle bombs with very little added sugar.
If your yeast is tired & weak from a hefty fermentation, you can add all the sugar you want, and still not get any carbonation.
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Postby Mr Peat » Wed Jun 16, 2004 5:03 pm

I use 5oz Corn Sugar/priming sugar to whatever I have from the wort. I think I average 4 gallons when I bottle. i've never had bottle bombs doing this and get plenty of carbonation. :lol:

My yeast is just fine how I do it and never ever had a batch with no carbonation. :shock:
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Postby Beach Brewer » Wed Jun 16, 2004 5:32 pm

Yeah I've never had an uncarbonated batch before either but I wanted to experiment with different carbonation levels. I like my APA's to be very carbonated and my English Browns and Porters to have little carbonation, etc. Right now I just add 4 oz. of corn sugar to all my 5 gallon batches. In the future I'd like to add more or less depending on the style and not create exploding bottles in the process.
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Lots

Postby essenceofcool » Thu Dec 23, 2004 2:50 pm

I have done plenty of beers, and root beers, i have had one root beer explode on me. I added yeast and forgot about it. Anyway, it takes a lot of fermentable sugar in the bottles for them to blow up. The amount needed to explode a bottle will far surpass any reasonable carbonation level.
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