At flameout, start cooler with low flow/trickle. When temp hits 200, add 10% of whirlpool hops. Continue cooling and adding 10% hops at each 10 degree temp drop until hitting 160-170. Then add remainder of whirlpool hops and steep for 15 -30 min. Continue cooling at full flow.
Split total dry hop quantity into two equal portions.First dry hop added to primary right as krausen begins to drop and left for 5-7 days. Then transfer to dry hop keg with second dry hop addition for 5-7 days. Then transfer to serving keg.
Hop combos to try: galaxy/nelson, El Dorado/azaaca
Alternative yeast - 1318