Usually i mash in 3,57 a 3 qt/lb in a mash tun of 12 gallon (20l/5,6kg), do the recirculation for at least 25 minutes, and then do batch sparge with 20 qt water, do recirculation again. I did the iodine test to check conversion, at this time, i had spent, 2 hours in a rest, trying to get a...