So, I froze my first lager about a month ago on accident. After it thawed I re-dosed it with yeast, and figured I'd be alright. 2 weeks ago, I decided to do a little bottle carbonation test just to make sure by bottling one bottle with a pinch of priming sugar.
Of course, tonight I opened my test bottle, and it was as flat as can be. I have more yeast that I can re-dose at bottling time (I was planning on bottling Saturday). My questions are:
-If I re-dose with yeast at bottling, is there any danger of my bottles exploding?
-To do the re-dose, should I make a little starter, and let it ferment out? Or let my washed yeast warm up to room temp and put it in the bottling bucket with the sugar?
-There was more than the normal amount of head space in my test bottle. Is there a chance that had anything to do with it not carbonating properly?