Gladfield American Pale Ale

Batch Size

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

Ingredients

Malts

  • 5.2kg Gladfield American Ale Malt (83.9%)
  • 0.4kg Gladfield Toffee Malt (6.5%)
  • 0.4kg Gladfield Light Crystal Malt (6.5%)
  • 0.2kg Gladfield Chit Malt (3.1%)

Hops

  • 60min– 10g Mosaic 11.8% (14.6 IBU)
  • 5min– 20g Mosaic 11.8% (6.8IBU)
  • Whirlpool 25g Mosaic 11.8% (5.5IBU)
  • 25g Citra 12% (7.0IBU)
  • 25g Galaxy 15.4% (7.2IBU)
  • Dry Hop (Day4-5) 95g Mosaic
  • 75g Citra
  • 75g Galaxy

DH rate= ~10g/L


Yeast

Lallemand BRY-97 West Coast Ale Yeast (1 Packet)


Mash Additions:

3.00g Calcium Chloride

1.50g Magnesium Sulfate

6.00g Calcium Sulfate

3-4mL 80% Lactic Acid (for pH Adjustment - requires pH Meter)

Water Profile

Brewing Process

  1. Heat Strike Water to achieve Mash Temp of 68°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 68°C for 60 mins. Confirm no residual starches remain.
  5. 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).
  6. Boil for 60 minutes adding hops and kettle finings at indicated times.
  7. At End Of Boil, whirlpool while chilling (immersion style) or for 10 mins, stand 15 mins or until chilled to pitching temperature.
  8. Transfer to fermenter at 18-20°C, oxygenating wort (inline or via aeration in fermenter).
  9. Rehydrate and pitch yeast as per manufacturer's recommendations. Ferment at 20°C for the first 3-4 days
  10. 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.
  11. 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.

If fining:

  1. 48hrs after FG is reached, Crash to 0-1°C.
  2. Wait for the beer to clear naturally or fine and filter as required.
  3. Keg or bottle condition - your choice? Aim for 2.55-2.65 volumes of CO2.


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