Weird brown splotches developed

I’m using a Mars hydro Ts 1000 on about half power, and viparspectra p1000 75% so 75and75 watts, temps are 72-80 rh is 45-60. I used dyna gro nutrients at 1/4 strength once about 2 weeks ago, and flora bloom 3 days ago. With cal mag by botanicare. And can’t seem to understand what’s going on. The problem is on the blue dream by nirvana and the other is blueberry by seeds man. I re calibrated my ph meter. Feed water with nutes today. Hopefully it goes away. I’ve been using a lot of ph down, upward of 3ml per qt. And .5ml of dyna gro. I’m hoping for deficiency but idk, the blue dream is the one developing the weird “splotches” it’s bigger than spots but looks like spilt water, but I haven’t got any on the leaves. Please help. I use tap water with 290 ppm.



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