Add calcium chloride before boil, use lactic acid to aim for a 3.5-4pH. Lemon or lime can be used instead of acid if you desire.
Dip Hop-- heat water, and at 170F, pull 500mL (.5qt roughly) and add 2oz of your preferred hop, then seal/cover.
Bring the reset to a boil and boil for 10 minutes.
At flameout, add 2oz of whirlpool hops and hopstand for 10 minutes. Chill to 68, once water is below 75, add dip-hop slurry.
Rack to keg and add yeast. Purge with CO2 and "ferment" for five days.
Burst carbonate at 40psi for 3 days. Dial down to serving (3-4 volumes) carbonation.