I was going through my stuff to brew this past Saturday and looked in my storage fridge for old hops. The power was off, so the fridge was room temp. I threw the hops away and grabbed one of my 5 Gallon corny-kegs to clean out if needed. It was full! I popped the air valve and it was under...
I have about 14 AG batches under my belt and I have never seen fermentation start in under 12 hours. Usually around 14-20 hours is my norm and this is fine. I do not add O2...just shake a lot. I decided to put on the plug and airlock minus the bobber so the cooled wort could pull in any O2...