Brewdog pg.366
All RO water. Strike with 2.6gal, add 1g each, CaCl, CaSO4, MgSO4, and NaCl. Target 131F protein rest. Hold for 10 minutes. Add .5gal boiling water to hit 144F a amylase rest. Hold for 20 minutes, check mash pH, then add 1.125 gal to hit 160F b amylase. Hold for 20 minutes. Vorlauf, then begin lauter. Copper up to 7gal, boil for 90 minutes. Add 1g each CaCl, MgSO4, NaCl, and 2g CaSO4 to BK.