LeeH wrote: ↑Fri Oct 04, 2019 7:51 am
Meatymc wrote:And don't forget a dried yeast always benefits from being rehydrated before pitching.
Fermentis disagrees.
True, rehydration makes a difference in a few circumstances, not all.
e.g.
Fermentis data sheet for SO4: Yeasts are designed for no rehydration so method = sprinkle (then rehydration as an alternative but no reason given)*
Danstar data sheet for Nottingham: Rehydrate - just because this is best for high gravity but doesn't make any difference for
most fermentations.
* The only reason I sometimes rehydrate is if I'm using a pack well out of date to check it isn't dead but they're hardly going to recommend using expired products are they?

. I mostly use slants of West Yorkshire and keep a pack of Gervin in the fridge which I use when feeling lazy or when the pack gets a bit old.
I brew therefore I ... I .... forget