Quote:
Originally Posted by MustGoFast
I know very little about yeast at this point. I can get the US-05, White Labs California Ale, or the Wyeast American Ale yeast with it. I have no idea what the difference are other than a couple bucks. Can you elaborate on this or why you would recommend one over the other?
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Sure thing. Here is a quick run down:
The higher gravity your beer is means the more fermentable sugar there is available for the yeast to eat and turn into alcohol which is a good thing (well, so long as you want a high ABV beer). On the other hand, the more fermnetable sugar you have the more yeast you need to cleanly ferment it. If you don't have enough yeast they will reproduce rapidly in your wort to get a high enough number but the more they reproduce the more strain is put on them and the more potential for off flavors arises. That isn't a very scientific explanation but I think that gets to the point that enough yeast is essential to the quality of the beer.
So check this site out to determine how much yeast you need:
http://www.mrmalty.com/calc/calc.html
Let's just assume (because I don't know the original gravity) your gravity is 1.080. Plug that in where it say O.G. and calculate. When you click on the liquid tab it says three packages without a starter and 16 grams (or 1.4 packages of 11 gram packages) of dry yeast when you click on the dry tab. Don't worry about starters now but it's a way to build up the amount of liquid yeast you get.
So I suggested the dry US-05 because it is essentially the same thing as the liquid versions only though it's cheaper and you get more in an 11 gram package than in any liquid package. You only need 1.4 packages (although I would just pitch two and not worry about it) compared to three liquid and that's assuming the liquid yeast is new and super viable.