Gladfield “G-Funk” WCIPA

Batch Size

30L Kettle Full; ~20L (in fermenter)

Ingredients

Malts

  • 3.0kg Gladfield American Ale Malt (45%)
  • 2.0kg Gladfield Light Lager Malt (30%)
  • 0.66kg Gladfield Munich Malt (10%)
  • 0.66kg Gladfield Wheat Malt (10%)
  • 0.33kg Gladfield Toffee Malt (5%)

Hops

  • FWH – 10gColumbus 13.5% (15 IBU) – Tip: Dissolve in 1st runnings; pour slurry into kettle
  • 60min – 15g Centennial 9.8% (15 IBU)
  • 10min – 10g Centennial 9.8% (4 IBU)
  • 10g Columbus 13.5% (5.5 IBU)
  • Whirlpool- 20g Simcoe 13.5% (5.4 IBU)
  • 20g Mosaic 11.8% (4.7 IBU)
  • 10g Centennial 9.8% (2.0 IBU)
  • 10g Columbus 13.5% (2.7 IBU)

Dry Hop (@ SG= 1.016-1.020)

  • 55g Centennial 9.8% (IBU)
  • 70g Columbus 13.4% (12.7 IBU)
  • 130g Simcoe 13.5% (12.7 IBU)
  • 130g Mosaic 11.8% (12.7 IBU)

DH rate = ~15g/L


Yeast

Lallemand BRY-97 West Coast Ale Yeast (2 Packets)


Mash Additions:

4.00g Calcium Chloride

7.00g Calcium Sulfate

1.5g Magnesium Sulfate

4-5mL 80% Lactic Acid (for pH Adjustment - requires pH Meter)

Water Profile

Brewing Process

  1. HeatStrike Water to achieve a Mash Temp of 67°C (~6°C above strike).
  2. Add minerals to Strike or Foundation water.
  3. 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).
  4. Mash at 67°C for 60 mins. Confirm no residual starches remain.
  5. At the end of mashing, take a 1L sample of 1st runnings and dissolve 1st Wort Hops (FWH) into it. Pour this slurry into the kettle at the beginning of run-off (when the malt tube is lifted)
  6. 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).
  7. Boil for 75 minutes adding hops and kettle finings at indicated times.
  8. At End Of Boil, whirlpool while chilling (immersion style) or for 10 mins, stand 15 mins or until chilled to pitching temperature.
  9. Transfer to fermenter at 18-20°C, oxygenating wort (inline or via aeration in fermenter).
  10. Rehydrate and pitch yeast as per manufacturer's recommendations. Ferment at 18°C for the first 3-4 days.
  11. 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.
  12. 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 - Classic IPAs should have good clarity)

  1. 48-72hrs after FG is reached (i.e. Taste No Diacetyl), Crash to 5-6°C.
  2. Add preferred finings (Klarsol, Gelatine, etc.).
  3. Crash cool to 0-1°C wait for the beer to clear naturally or filter as required.
  4. Keg or bottle condition - your choice? Aim for 2.55-2.65 volumes of CO2.


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