Scaled to 19l
GPS05 2nd gen
IBU balance Bitter 53.45% Flavor 39.79% Aroma 6.75% 22l mash water 15l sparge Water adjustments Mash: 8g CaSO4, 0g CaCL2, 2g CaCO3 Sparge: 6g CaSO4, 0g CaCL2