Originally Posted by mtyquinn
I also wonder if I do this, will it mean I have to transfer the beer again before serving
Since it's at 1.020, I'd be inclined to leave it because it'll be a bit less sweet once it's carbed up unless you find it cloyingly sweet.
What was the recipe? Maybe it's just simply done at 1.020, depending on the ingredients and it wouldn't go any lower no matter what you do.