In my experience you have to heat up the cooler with 1 gal of water for a couple of minutes before you add all the water.This happened to a few friends of mine.
A few months back i put my mash tun outside and left the lid on but left my ball valve open.When i was moving i opened the cooler and it had water and bugs in there.So im guessing moisture got in there from the tail end of summer and caused the white walls of the insde of the cooler to...
Correct.Once i made a starter from White labs WLP 004 Irish ale yeast.Smelled like lager yeast(Farts),that only happened that once and my beer was fine.
If you pitched the right amount of yeast the first time around you should'nt worry that it was stressed out.Thats why you need a higher yeast count with higher ABV beers,so you dont stress out the yeast.