Any good coco growers know what's up with these?
Purple stems dark leaves, some margins pointing up, tips rolling
Some tips point up, none down..
It's not heat stress, temps 24 Lamps 2 ft away 600w hps
Canna coco and perlite, canna coco a and b
Ph 5.8 in 6.2 out
Ec0.8 runoff 0.5
when up to 1.0...