Gladfield Red IPA (Revised)
Batch Size
30L Kettle Full; ~20L (in fermenter)
Ingredients
Malts
- 5.5kg Gladfield American Ale Malt (76.2%)
- 0.7kg Gladfield Munich Malt (9.7%)
- 0.55kg Gladfield Red Back (7.6%)
- 0.45kg Gladfield Shepherds Delight (6.2%)
- 0.02kg Gladfield Eclipse Wheat (0.3%)
Hops
- FWH – 5g Pacific Jade 12.7% (7 IBU)
- 60min – 10g Pacific Jade 12.7% (12.7 IBU)
- 0min – 35g Centennial 9.8% (6.35 IBU)
- 35g Amarillo 10% (6.5 IBU)
- 35g Rakau 9.5% (6.2IBU)
Dry Hop (@ SG= 1.016-1.020)
- 100g Centennial 9.8% (6.3 IBU)
- 100g Amarillo 10% (5.0 IBU)
- 100g Rakau 9.5% (IBU)
DH rate = ~12g/L
Yeast
Lallemand BRY-97 West Coast Ale Yeast (1 Packet)
Mash Additions:
6.00g Calcium Chloride
5.00g Calcium Sulfate
3.00g Magnesium Sulfate
3-4mL 80% Lactic Acid (for pH Adjustment - requires pH Meter)
Brewing Process
- Heat Strike Water to achieve Mash Temp of 67°C (~6°C above strike).
- Add minerals to Strike or Foundation water.
- Begin mashing in. Measure the mash pH (once all the grain is added) to achieve 5.2-5.5 (adjust with 1 mL additions of 88% lactic acid, if required).
- Mash at 67°C for 60 mins. Confirm no residual starches remain.
- Batch sparge with 78°C water until kettle volume is achieved (or stop runoff when the last runnings drop below 1.010 and pH rises above 5.75).
- Boil for 60 minutes adding hops and kettle finings at indicated times.
- At End Of Boil, whirlpool while chilling (immersion style) or for 10 mins, stand 15 mins or until chilled to pitching temperature.
- Transfer to fermenter at 18-20°C, oxygenating wort (inline or via aeration in fermenter).
- Rehydrate and pitch yeast as per manufacturer's recommendations. Ferment at 18°C for the first 3-4 days.
- Aim to add the dry hop addition on day 5 or ~4-8 Specific Gravity points (1.5-2.0Po) from the predicted Final Gravity.
- Once added, cap the fermentation (spunding valves are great for this), raise the fermentation set point to 22°C for at least 48hrs to diacetyl rest.
Fining/ Filtering (Style Tip - Red IPAs should have good clarity)
- 48-72hrs after FG is reached (i.e. Taste No Diacetyl), Crash to 5-6°C.
- Add preferred finings (Klarsol, Gelatine, etc.).
- Crash cool to 0-1°C wait for the beer to clear naturally or filter as required.
- Keg or bottle condition - your choice? Aim for 2.55-2.65 volumes of CO2.