Help meeee

J

Jkill

New Member
My flowering Skywalkers are doing this weird thing with their leaves turning a red/rusty color at the edge of the big fan leaves and idk whats wrong, i think it must be the ph of it bc when i measured the runoff it was at 6.8 even tho i water with 5.8-6.4 everytime. I use Coco median, water every 3 days, indoor grow with an average of 80degrees in the room and %50 humidity... 20161118_112224.jpg 20161118_112224.jpg
 
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r.i.kid

r.i.kid

Well-Known Member
Jkill said:
My flowering Skywalkers are doing this weird thing with their leaves turning a red/rusty color at the edge of the big fan leaves and idk whats wrong, i think it must be the ph of it bc when i measured the runoff it was at 6.8 even tho i water with 5.8-6.4 everytime. I use Coco median, water every 3 days, indoor grow with an average of 80degrees in the room and %50 humidity... View attachment 3833757 View attachment 3833757
Click to expand...
cal mag 5ml a gallon...
 
Bills dead

Bills dead

Member
I run in coco with CES using RO water and 7ml of cal-mag per gallon. plants look great. Run off in coco not that important.
 
A

axcxe

Member
That definitely looks like magnesium deficiency, what EC or PPM are you feeding at? Just because your nutes already contain it doesn't mean the plant is getting enough. I use Cyco at a slightly lower EC then recommended and just add cal mag also in early flower. If your run off is 6.8 I would water heavy at 5.7 next time, that's pretty high. Good news is that deficiency doesn't hurt the plant much, just looks ugly.
 
Cpappa27

Cpappa27

Well-Known Member
Some plants require more cal mag than others. There may be a pH imbalance there in the coco IDK coco is overrated and you can get equal or bigger plants in a nice balanced organic soil mix without all the headaches of micromanaging.
 
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