piggybacking off the OP's question. When I select a single infusion, full body, batch sparge profile in Beersmith it has me batch sparge in two steps. So....
1) initial mash in at 168*, hold temp at 156* for an hour
2) Drain wort
3) Batch sparge in two steps, add 1.5gal and 3gal at 168*
My...