The bench sheet · Tier 2 — style and ABV
Brew it: a starting point for Mother Fluffer Sour Ale
Afterglow Brewing · Kettle Sour (other) · 5.2% ABV, from TTB filing № 26168001000044. Built for a 5-gallon batch at 72% efficiency.
What the filing discloses
StyleKettle Sour (other)from the filing
ABV5.2%from the filing
ArchetypeKettle Sourstyle inference
The starting point
OG1.050
FG1.010
ABV5.2%
IBU—
SRM~4
Grain bill style inference
| 5.75 lb | Pilsner malt | 60% |
| 3.75 lb | Wheat malt | 40% |
Hops style inference
The filing doesn't name varieties — these are the archetype's, and the real beer may use anything.
| 0.5 oz | Any low-alpha noble hop | 60 min (post-souring boil) |
Yeast & process style inference
| Yeast | Kettle sour: Lactobacillus to pH 3.3–3.5 (24–48 h at 95–100°F), then boil and pitch US-05 | |
| Mash | Single infusion · 149°F (65°C) · 60 min | |
| Ferment | 68°F (20°C) for 7–10 days after souring | |