Love to see a pic... What are you feeding at the moment? If still Charlie carp and seaweed you won't be getting nute burn.. You using any dry nutes? Without seeing or rereading, they might be getting hungry..
I switched the position of the plants and raised the lights a couple inches I'll be letting the pots dry out until the weekend then give a half dose of calmag hopefully that will perk her up. Feeling guilty lol
Just let her dry out for a little and watch that new growth.. The two flushes and treatment, she might be a little water soaked and under a little stress because of it...
Hey man, I'm no expert, but I doubt your LEDs are causing the problem you're having. Looks more like some kind of nutritional issue to me. Magnesium deficiency???
Yeah after a bit of research it looks like it could be damage from the fungas gnats larvae eating the roots I'm still catching a few on ny traps. I water with Epsom salts so I'm not sure it's mag as the ph is in the right zone