So I've used us-04 a couple times, mostly on some ipa's. Last batch was zd clone and I pitched two Rehydrated packs, aerated with pure o2, used a little yeast nutrient fermented at 68deg and I needed a blowoff tube it went crazy. So this last batch brewed an oatmeal stout with chocolate and coffee. Used us-04 2 packs Rehydrated, basically exact samesteps as above and I put on a blowoff tube expecting the same results and it was quite the opposite. Kicked off pretty fast but at its peak there was only 1/2" of krausen if that its was just a real thin layer and is already starting to drop after 48hrs. I guess my question is with all thing being equal besides the recipe how or why would the yeast act so different. In the end it did it's Job but I'm just curious as to thoughts.
different fermentation from the same yeast
- Thread starter olotti
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