Originally Posted by hillhousesawdustco
Just as heads up, ole beersmith says you need 303 billion cells for your ten gallons of yeast. each vial has 90-100 billion cells or so. Soo...next time if you want to save some money I think 1.5-2 vials (per carboy) would certainly do the trick.
Totally unsolicited advice, just repeating what my fancy pants software says.
I understand and I use Beersmith. I also look at Mr. Malty and refer to a lot of Jamil's intel. Long story short, it's reallllllly hard to overpitch yeast. It can be done, but not likely. I knew I needed at least 2 vials per carboy so I figured 3 would rock! And it has....
So really all I did was maybe waste a little money. Oh well, vigorous fermentation is good enough to set up a lawn chair with a cold beer and watch for awhile!