I don't think they will recover but ur new growth should be fine. GLCool. thanks for help.
I thought it was a problem with cal mag or the Lucas ratio.
so I changed resevoir last night. I went to gh feeding chart and just added 25% more bloom then called for.
I was using cal mag at 5ml per gal but I bumped not to 10ml per....
Does that sound right? will the leaves reverse back to a nice green?