How long has the harvested yeast been refrigerated? Was it a whole cake or split?
I used to warm up my slurries during brew-day and just pitch them. Never had any issues, even with 3month old cakes. Of course, I'd still recommend making a 24hr. starter. Just to wake it up. Be prepared for some krausen in the starter. Cakes are vigorous.
Den Faaborg Bryggeri
Originally Posted by davekippen
Open log Fermenting and gas-can secondary?? I am planning my next brew right now!!