Barista Bitch Dialing In

So this is maybe my 10th or so iteration of my cold brew recipe. Right now I am brewing using Yama Cold Brew Drip towers, with Chemex Natural Bonded Square filters using my DittingKR1203 grinder. Right now I am using 4.5 as my grind, previously I was a little coarser at 5, but was not consistently happy with how the cold brew turned out. Using 300g miscellaneous coffee, often espresso, lightly condensed as I noticed some channeling that I couldn't fix no matter how much I leveled my grounds. After that I use 3000g iced water, bloom with roughly an inch or so water (around 300g) let sit for 10 minutes than adjust the flow rate so it drips at roughly 1 drop per 1.5 seconds. It should finish in around 12-16 hours with approximately 2600g uncut cold brew which I add around 900g water to or to taste. So 300g coffee at 4.5g with a chemex filter, add 3000g ice water, bloom with approximately an inch of water for ten minutes, adjust flow rate to 1 drop per 1.5 seconds finish in roughly ...