21B Specialty IPA: Black IPA
| Calcium Sulphate | 1 tsp in mash |
| Calcium Chloride | half tsp in mash |
| Lactic acid (88%) | 4 drops in sparge |
| Gladfield Ale Malt | 6 kg | 83.3% |
| Gladfield Medium Crystal Malt | 0.35 kg | 4.9% |
| Gladfield Munich Malt | 0.35 kg | 4.9% |
| Gladfield Dark Chocolate Malt | 0.3 kg | 4.2% |