Hi folks. After scrubbing all my gear and dusting off the Starsan I attempted to brew a normal beer with Escarpment Labs Krispy kveik. I ordered it online and it was 1 week to expiry when it arrived. I didn’t plan to brew that soon so I was kind of disappointed but figured it would be fine, especially since the pouch is for 5gal and I brew 3gal batches.
Things started off as expected, 12hrs after pitching fermentation was very active and the next day it slowed considerably. I took a sample 5 days later and it had only attenuated 62% (1.053->1.020). 2 days later I took another sample and it was 1.018. 5 days later (today) I bottled and it was 1.017 (attentuation 67.5%). I mashed around 66.5C, the recipe had 8% medium crystal, ferm temp mid-20s. Escarpment says the attenuation should be 70-82% and people talk about 3 day fermentation times. The uncarbed beer tasted pretty good and the yeast cake had an amazing fruity aroma so I kept it in a mason jar.
Any ideas what went wrong here? Should I ask for a refund or discount from the vendor? Would you dump the yeast or repitch it?