This weekend I'll be re-pitching my saison yeast I saved (WY 3724 + Imperial Rustic) -- making 10 gallons of a sour worted plum saison.
Friday after work I'll mash and then run off the mash/sparge into my kettle, heat and then boil for 5 minutes, chill to 90F with my new Jaded Hydra Chiller, run off to carboys, pitch the starter, and sour the wort for maybe 1.5 days -- until 3.6 pH, and then knockout as usual.
Only hop addition will be to add 2.7 oz of hops edit: (1 oz citra, 1.7 oz Loral) at flameout, for a 20 - 30 min hop stand (trying to get ~8 IBUs) before chilling to pitching temp (78F).
I have a starter of WY Lacto (5335) going at 93F, and yesterday pitted and pureed 30 lbs of plums, yielding 3 gallons of puree. I added kmeta to 50 ppm and froze the puree in gallon ziplocks. I'll time it to add that into the primary fermenters immediately after the initial ferment (day 5 maybe). That is, I'll thaw them, open the bags to breathe for a few hours (to vent any remaining so2), and then pitch directly into the oversized primary fermenter buckets. Once fermented out (expecting 10 - 14 days) I'll cold crash and rack to kegs.
This beer is based on Orpheus' Atalanta, although not exactly the same.