Pitched on roselare/dregs cake with no activity 40hrs in. HELP

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HorseHair

HorseHair

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So i pitched a brown ale base(1.052) on a 1 year old roselare cake that also had dregs from several commercial sours/brett beers and 40 hours in theres still no signs of activity. The beer the cake came from finished at 8.5% abv and im wondering if that has something to do with the issue and all the bugs are dead. Should i wait it out or run to the LHBS and grab some fresh bugs.
 
Give it one more day, then I'd start to worry. 8.5% is a little high, and I'm sure it killed the lacto, but the pedio will remain, and the smaller population of sour bacteria should counteract the increased sourness of a second generation Roselare cake.


Even if it appears like it's not moving in twenty fours, don't rack it into a new carboy, leave the old bugs there. They'll either be a nice nutrient for the new bugs to increase sour/funkyness, or maybe some wake up and help out. Who knows
 
bellmtbbq said:
Give it one more day, then I'd start to worry. 8.5% is a little high, and I'm sure it killed the lacto, but the pedio will remain, and the smaller population of sour bacteria should counteract the increased sourness of a second generation Roselare cake.


Even if it appears like it's not moving in twenty fours, don't rack it into a new carboy, leave the old bugs there. They'll either be a nice nutrient for the new bugs to increase sour/funkyness, or maybe some wake up and help out. Who knows
Click to expand...


Yeah i kind of figured the lacto would be completely gone hopefully i get some movement soon.
 
BryanThompson said:
After a year with beer on it I would have added some fresh yeast to that cake. Add a pack of US05 if you have it.
Click to expand...
+1. you have no live sacc in there. pedio and lacto are slow. the Roeselare originally had sacc in it, that's what took off quickly. you need to replenish it. i believe that the sacc in Roeselare is the Achouff yeast (Ardennes by Wyeast), but any sacc should do the trick.
 
I ended up not touching it and as of this morning there was a krausen that has grown throughout the day and it seems to be chugging along nicely. thanks for the help
 

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