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Yellowing

ninfan77

Member
Some details:

I have a Kaya plant, from seed, its 6 weeks old, was doing fine until some other plants got huge and shaded it a bit from the light. That was 3 weeks ago. Since then i've gotten it under another MH light. Things were doing good until a couple days ago.

Ph - adjusted daily to 5.5
Medium: DWC single bucket
PPM - 700ppm (sunleaves TDS meter)
Nutes: Sensi Grow A+B 2 part
Temps in room: 75-80F RH 50%
Bucket temp : unknown but cool to the touch.
400w MH - 18in above plant.


A few days ago i thought it may have had either N or Mg problems. But i didnt think it was N due to the upper leaves yellowing at the tips and moving back.

I decided to just completely swap buckets to be safe as this plant has been through enough. Since the bucket change, the yellowing hasn't gotten better. It starts at the leaf tips, upper leaves, and is working its way down the plant. Its VERY yellow, i wish i could take a pic but my dig camera died. I can take w/ my cell phone but dunno how to get it off there.

I looked through the sick plant guide and didnt see anything that resembled my problem. The roots are very white and healthy looking.

Im not even sure its Mg def as its not taking up the entire leaf, its at the tips, and moves around the sides of the leaf, the back side closest to stem is still slightly green.

Thoughts?
 

ninfan77

Member
Sweet got my cam working !!!

If it is Mg defic, should i foliar feed or add directly to the res? Epsom i'm assuming... what would my measurements be for either?

kaya2.jpg







kaya.jpg
 
Last edited:

PALADIN

New member
i have had the same type yellowing of the leaves and and after much investigation it turned out to be too much nutrient...ppm levels too high for soil, you may hav same problem but i am not familar with your medium.....
 

ninfan77

Member
Ph was my culprit. Call me retarded for not paying attention to my ph chart for nute lockouts.. i swear it was 5.5 for mg, but its 5.8 like everyone said. Plant is doing good again, good growth and color on uppers again. Thanks :)
 

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