Each packet of yeast is recommended to ferment a 5 gallon batch of up to a 1.060 starting gravity wort.
S-04:
A well-known English ale yeast, selected for its fast fermentation character and its ability to form a very compact sediment at the end of the fermentation, helping to improve beer clarity. This yeast is recommended for the production of a large range of ale beers and is specially well adapted to cask-conditioned ales and fermentation in cylindroconical tanks. High sedimentation. Optimum temp: 64°-75° F
US-05:
A dried American Ale strain with fermentation properties resembling that of Wyeast 1056 (American Ale) or White Labs WLP001 (California Ale). Produces well-balanced beers with low diacetyl and a very clean, crisp palate. Sedimentation is low to medium, and final gravity is medium. Optimum temp: 59°-75° F