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The Charts--Helpful charts for making nutrient deficiency diagnoses

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When I get stumped I just flush everything really well to get rid of any salts building up. Didn't always solve anything but... If in Coco must flush with a weak nute mix
Yeah it's nutrient film technique. I have flushed the system twice now for 24 hours, no change. I gave her a foliar spray of King Kola (I use Emerald Harvest nutes) yesterday. Haven't checked yet today if it helped or not. My buddy gave me some Monster Bloom 0-50-30 so we will see if that does the trick. I'm fairly certain it's a P deficiency though, given the yellow leaves all over, with red veins. I just don't know why it's only one plant. They are all the same strain, the other 11 plants look iconically healthy. I'm wondering if the roots may be getting bound up in the channel and not getting enough water and nutes. The girl in front of her in the channel is off the charts. Huge 2 1/2 inch stalk and probably going to produce over 2lbs. Possible her roots are kicking the other roots out? Maybe I should add a drip line to her port?
 
I have slight curl on the lower growth of my plant and a few fans curling slightly in the upper growth..all new growth looks good ..I was thinking maybe too much nitrogen but here are some pics if anyone could help
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Hotay, today I'm adding some pix of a boron (B) deficiency, from @IPlay4Keepz -- which were not properly diagnosed until much later. Thread here: https://www.thcfarmer.com/community/threads/take-a-look-at-my-dying-white-master-kush.55023/
so you can follow the progression of observed problems and how he finally made a diagnosis.

And the pix of the plant.


View attachment 366715 View attachment 366716 View attachment 366717 View attachment 366718
Some of my babies look like these, what did you supplement with?
 

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