Gladfield Bohemian Pilsner

Batch Size

30L Kettle Full; ~23L (in fermenter)

Ingredients

Malts

  • 4kg Gladfield German Pilsner Malt (63.3%)
  • 1.75kg Gladfield Vienna Malt (27.7%)
  • 0.28kg Gladfield Sour Grapes Malt (4.5%)
  • 0.28kg Gladfield Gladiator Malt (4.5%)

Hop

  • 60min boil – 20g Sorachi Ace 13.8% aa (27 IBU)
  • 20min boil – 60g Saaz 3.2 % aa (10 IBU)
  • 5min boil – 60g Saaz 3.2 % aa (5.5 IBU)

Yeast

Lallemand Diamond (2 Packets)


Mash Additions:

2.00g Calcium Chloride

Water Profile

Brewing Process

  1. Heat Strike Water to achieve Mash Temp of 66°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 66°C for 60 mins. Confirm no residual starches remain
  5. Batch sparge with 78°C water until kettle volume is achieved (or runnings SG drops below 1.010 and pH rises above 5.75)
  6. Boil for 90 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 13-14°C, oxygenating wort (inline or via aeration in fermenter).
  9. Rehydrate and pitch yeast as per manufacturer's recommendations. Ferment at 13°C until 4-6 SG points (1-1.5Po) from FG, then cap the fermentation (spunding valves are great for this). Raise the fermentation set point to 16°C for at least 48hrs to diacetyl rest.

If fining:

  1. 48hrs after FG is reached, crash to 6-8°C.
  2. Add finings after the temperature is stable. Crash to 0-1°C until cleared.
  3. Keg or bottle as desired.


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