ph spike

VERY VERY SHORT VERSION: I need to flush but my soil is saturated. Flush anyways or wait a few days? SHORT VERSION: I think I overfed my plants. They are photosensitive, leaves by the lights are pale lime green, stems are purple, and pH swung from 5.9 going in to 6.9 going out. Soil is pretty...

I'm a newer grower when it comes to hydro so I did what I could.. but this is my second grow and both had this same exact problem! The problem I'm having is no matter how much I adjust the PH it just jumps back up to 8+ within a day! Now I also added subculture b to try to kill the root rot that...