The recipe being brewed is Old Treacle Mine from BCS, so I can't really post my file until we figure out how to discuss those recipes legally. We'll have to work around that.
I have this on deck to brew next week, and I've chosen to ferment with Nottingham as it is one of the options listed. I want to have an Erlenmeyer flask and stir plate before I get into liquid yeasts, so hopefully the Notty will produce good results.
I will add the optional 1oz of oak (probably French to keep it subtle) in secondary, and I do plan to reserve 2L of unhopped wort for the partial souring.
The past few days I've been searching and reading everything that I can about the sour worting process, just wanted to know if anyone here has experience with it.
So far as I can tell,
- choose vessel with low head space (I will use 2L growler).
- toss in a handful of unmilled(?) base grain, rack onto that to expose wort (unhopped?) to lacto and brett on the husk. Maybe purge with CO2?
- add airlock or foil
- Keep the temp high via heating pad wrapped around vessel, target is 110-120F for 48hrs?
- wait until it's nicely sour yet clean
- pasteurize at 170F
- add back to beer (I'm guessing in small increments to reach desired character)
1. I'm not sure what the OG will reduce to for the sour portion, so do I ferment before adding it back ... or just let the main batch take care of it?
2. This beer is 1.093 OG, unhopped wort will be lower obviously, but is this too high to be souring in the first place? If the effect is going to be masked by the high gravity I may not even bother.
3. Advice is VERY welcome, I really would like to do this properly .. even if dosing with pure lacto proves to be a better idea. I simply don't know enough about this, just going off Jamil's recommendation in the book for the general style. Whether it's feasible for this recipe, I have no clue.
*I do not want to enter this into a homebrew competition.
English Old Ale and "sour worting".
Post #1 made 11 years ago
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