Water (ppm): Ca: 27, Mg: 3, Na: 13, SO4: 12, Cl: 67, HCO3: 0 Add 1g Epsom, 1g NaCl, and 3g CaCl to 8 gal (28 L) of distilled water Ferment at 60 F (15 C) for 10-14 days, then package and lager at 33 F (1 C) for two more weeks. Alternatively use gelatin or other fining agents to clarify the beer.