So I've used brun water countless times in the past. However, I feel like the estimated mash ph for this brown porter isn't making sense right now. Here is my grain bill.
10 lbs 5.0 oz Golden Promise (Simpsons) (2.0 SRM) Grain 1 81.3 %
1 lbs Pale Chocolate (225.0 SRM) Grain 2 7.9 %
12.0 oz...