50% avangard vienna, 22.7% avangard pils, 18.2% avangard dark munich 15lovi, 9.1%carahell.
28.4IBU- 17.4IBU merkur bittering, 11.1IBU Hallertauer last 10minutes.
Mash: RO water w/ profile amber balanced with 40ppm cacl, 13ppm mag, 17ppm NA, 78ppm sulfate, 60ppm chloride.
mash 60min 144F 5.5PH. 60min 162F. batch sparge. adjust with lactic in kettle to 5.25PH.
Pitch yeast into 48F wort after O2 for 90 seconds. hold 49F until 65%ADT, pull from fridge and let rise to 60F and hold until finished. cold crash, fine and keg.