Pitching yeast to carbed keg

[scratchy1971]

I have a Hopslam clone that is kegged and carbed. FG was 1.024 (Target is 1.018). Was a little concerned not hitting target. Beer tasted sweet, but I always does until carbed.

Yeah, it is too sweet to drink. I have 4 gal. left. Plan was to bring the keg and yeast to room temp, and pitch 1 vial. Let the yeast finish it off, cold crash and draw the yeast off the bottom through the tap.

Question is, do I need to make a starter? This is an 8% ABV beer, so thinking I probably should.

Any concerns pitiching yeast in carbonated beer?

Thanks

 

[LLBeanJ]

If I were facing this situation, I'd probably just brew another batch of something similar but manage the variables as such to achieve a dryer beer, then blend the two.

However, that's not what you asked, now, is it? If you want to try to bring the FG down, I would grab a vial of WLP090, make a starter and pitch it at high krausen.

But, that's not all. I'd first turn off the gas, take it out of the fridge, and decarb the beer over the next several days to a week before adding the new yeast.