21B Specialty IPA: Red IPA
| Calcium Sulphate | 1 tsp in the mash. |
| Calcium Carbonate | Half tsp in the mash — unusual, and deliberate for a dark-ish beer. |
| Gladfield Ale Malt | 4.6 kg | 64.3% |
| Gladfield Aurora Malt | 1.2 kg | 16.8% |
| Gladfield Light Crystal Malt | 0.5 kg | 7% |
| Gladfield Medium Crystal Malt | 0.5 kg | 7% |
| Gladfield Dark Crystal Malt | 0.25 kg | 3.5% |
| Gladfield Shepherds Delight Malt | 0.1 kg | 1.4% |
| Pacific Jade | 25 g |
| Mosaic | 70 g |