Originally Posted by LovesIPA
Too high! Good temperature control is one of the key factors in making great beer.
Indeed, the ideal range for S-04 is 59-68F (Per the Fermentis .pdf on S-04
If you don't have a fancy fermentation chamber, you can do what I do and put your fermenters in a water bath and add ice packs/frozen water bottles 2-3 times per day to keep the temps in the mid-60's. It really does make a difference in quality.
If you want a more forgiving yeast strain for next time, I can recommend US-05
. However, it still prefers to be below 71F.