Dicolored spots on new growth??

tydot

Active Member
I had the beginning signs of nute burn a couple days ago so I flushed and it solved it almost immediately. I'm growing in coco/perlite and am using gh flora series. I ph my water to 6 and use calmag also. Last night I noticed some small brownish spots on new growth so I fed a quarter strength but it still seems to be slowly spreading. The discoloring in the second pic is what I'm talking about. I'm thinking maybe a calmag defiency but wanted to here from people who know more than me before acting. This is my first grow
 

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tydot

Active Member
I went ahead and watered with full dose of calmag, please respond if someone thinks my pics Indicatwith so excited other issue. They are 14 days old and I plan to start flowering I one more week. I just hope to get some yield if I can keep these plants alive. Things wbere going great but now it seems to be one problem after another.
 

Bugeye

Well-Known Member
It's hard to say without knowing what ppms you are feeding or were feeding. My first thought was calcium deficiency but since you are feeding cal/mag, I don't know.
 

tydot

Active Member
Nope, just coco and perlite. I've been using flora micro and grow with a small amount of flora bloom. Plus calmag also. I hadn't gave hardly any calmag since my flush a few days ago so that and it appears to be a ca or mg defiency according to the charts I have looked at, ones like the chart you just put up.
 

tydot

Active Member
I don't have a ppm pen. Guess I should probably get one. I have a friend that successfully grows in coco without one but he is very experienced also.
 

tydot

Active Member
I've been alternating between a nutrient solution and plain water. When I over nuted it threw my cycle off. Just trying to get back on track. I went overboard. I need to remember less is more and I'm trying to practice that now. I just watered with plain water plus calmag hoping to fix my current problem. I always water to 20% runoff.
 

tydot

Active Member
The leaves where slightly deformed and getting worse. They have straightened out in just 3 hours and the plant is looking good. This is what I like about coco, the almost immediate results you see. To anyone who is new and growing in coco always start with less and you can always add whatever you need. I did the opposite 5 days ago and am just now getting it back to where it needs to be.
 
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