I tried the water profile adjustment and compared it to Bru'n Water. In BS3 I get a mash pH of 5.61 vs BW 5.41. I noticed the numbers for each addition in ppm is spot on except Calcium and Chloride. 71.9 Ca and 113.9 Cl in BS3, 88.3 Ca and 142.2 Cl in BW. Any idea on why so different? Also, I...