I have a grain bill for a brown I am making tomorrow
If I batch sparge, and assuming I hit 75% how many total boil volume gallons do you think I will end up with without going under 4 brix or 1.012~1.014
I'd like to get 6 gallons out of this and my boil volume to start at 7 gallons, but I dont want to oversparge....Thanks
Based on my experience with a similar sized grain bill I think you will be alright. I collect 7.5 to 7.75 gallons and do not go under the range you specify. I have to collect that much in order to end up with 5.5 gallons. I seem to loose a lot to evaporation even with the lid partially on and a nice roiling boil that isn't to vigorous.
Really though the only way to tell is to measue. I usually run the last half of the sparge into another kettle and measure it from there.