splotch

Not sure what these splotches are, I thought my ph might be off, I re calibrated my ph meter and feed it today. The one with the problem is blue dream the other is blueberry. Maybe someone can help? It seems like a deficiency, but I’ve been beating my head against the wall, trying to make sure.

title says it all.... My first inclination is just N def. after the stretch she might have used up what I had been giving her... the purpling stems make me think P def....i water 2-3x weekly, when the soil is basically bone dry...she had about an 8 week veg, so it could be root-bound at this...

So..? I screwed up... Not sure what the issue is just yet. Still scouring for something that sounds and looks right. I have 9 plants. But two... Are having cause for concern. I am using a room in my house, not a tent. Has a vent built into the ceiling out, I keep the door wide open and the room...