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So, I brewed what I hoped would be an amazing Irish stout. During the hustle and bustle of bottling, I managed to screw up the amount of priming sugar (2oz vs 4oz) I put in the batch. So the beer itself is tasty as hell, just undercarbed.

Is there anything I can do to add more carbonation post bottling? Brew has been in the bottle for about 2 weeks now.

Cheers,

Pop the top and add some sugar and recap would be your real only option.

If it's tasting good, I'd drink it and learn from the mistake.

You could try to add more sugar but it would be a bit of a long shot to dial in the carb level you're looking for. Use it as an excuse to brew that recipe again!

^^ I'm with Jeff. If it's tasting good, I wouldn't screw with it. You could try overly-warming some bottles up to see how carbed it could get, or pop some carb tabs in a few bottles, but I'd chalk this up as a learning opportunity.

I use a child's medicine syringe to draw up some of the beer and some air and then shoot it back into the stout. It does the cascade thing and then I am left with a mostly flat beer with a thick head on top. Just like guiness. Works better with a beer that is lightly carbed in the first place.

I'd give it more than two weeks to fully carb up. I've seen batches take about 3 weeks or more to fully carbonate. I'm with the other folks though, drink this one and learn for next time. However, if you **edit** want to add more carbonation to your already bottled beer **end edit** I would use carb tabs and not regular sugar. The sugar would act as sites for nucleation and it could cause a foamy mess.

CartoonCod wrote:I'd give it more than two weeks to fully carb up. I've seen batches take about 3 weeks or more to fully carbonate. I'm with the other folks though, drink this one and learn for next time. However, if you need more carbonation I would use carb tabs and not regular sugar. The sugar would act as sites for nucleation and it could cause a foamy mess.

I'm with Adam on this - give it more time, then drink and learn.

If you are determined, you could carbonate in a 2L pop bottle with a carbonator cap. I used to do that with festa brew at bottling time when I started brewing, so I'd have a few litres to drink right away.