Fresh cascade (5oz), Chinook (8oz) during last 15 mins
https://www.brewersfriend.com/mash-chemistry-and-brewing-water-calculator/?id=X6JHRSS Record X6JHRSS on Brewer's Friend for water chemistry Splitting finished product 5 gal NE, 4 gal Fresh Hop.
https://www.brewersfriend.com/mash-chemistry-and-brewing-water-calculator/?id=XH6G4VN Profile: XH6G4VN Split runnings from double-batch of grain