That discoloration, I've had that before and it's the start of CalMag deficiency.. in my experience, I stop that progression with introducing or upping my CalMag additive. Just my
I have been doing 1/4-Full strength GO Cal/Mag supplement the whole time. I think the burn on the tips of both ladies and the high EC of the runoff is indicating lockout/nute burn which is causing the deficiencies, the other lady looks like a P deficiency.
