I have a packet of SafLager S-189 from Fermentis and I'm trying to figure out how many sells are in it. The packet is 11.5 gram and the expiration date is 04/2021 (which, I think, means it's 14 months old, as Fermentis gives their dry yeast a 36 months stated shelf life). Reading BeerSmith's...

Hi guys, I will brew tomorrow an American Pale Ale I already did before and came out great. 11L batch, The OG=1046, FG 1020 (the estimation was 1012). I used one pack of Safale S-04 (11.5 gr). I am trying to recreate the same batch but I have only 7 gr. from the same yeast. I used the...