&quot;Diablo&quot;:185kkxsb wrote: Yeah I gave up rehydrating US05, just another infection risk and the instructions on the pack say "sprinkle on to wort". I reckon they know their own yeast better than I do.[/quote:185kkxsb]They say this because they're afraid homebrewers will bodge it up and blame the yeast <!-- s:) --><img src="{SMILIES_PATH}/icon_smile.gif" alt="" title="Smile" /><!-- s:) --> On the commercial instructions they recommend rehydration. I do tend to rehydrate but I should try pitching it direct to see if it performs as well - do you find it attenuates as well when pitched direct?