Capulator
likes to smell trees.
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This happened 1 time to me cap... i never figured it out and it never happened again... i lose about 12% on that crop.
shit. :facepalm:
Were you running multiple lights as well (hps, MH)?
Here is pikchurz...
HPS: Leaves only doing this that are closer to light.
View attachment 342956
MH: Same distance leaves. You can see some symptoms but not nearly as bad.
View attachment 342957
I think I am not feeding enough. I am flushing now and gonna hit them with 1.8EC to be sure. Ill know if I made them worse in a couple days. Plants and flowers look healthy. Coco much better than MPB with no signs of bad health whatsoever but coco has been getting lots of food... MPB I've kept around 1.2 EC.
cap here is the thread i started when this was going on there are plenty of pic's from the start and as it got worse.
https://www.thcfarmer.com/community/threads/got-spots.56088/#post-1057937
Id be interested to see the bulbs at an equal intensity distance, not just equidistant from the plant. That 1000 watt sodium is putting out 40,000 more lumens I'd guess and that is likely having an effect as well. For controls sake if you do experiment with this you should bust out the light meter and get the same lumens per square foot out of em to see if it really still makes a big difference.
I agree with the above poster,I was off to get this study when he snuck in under the door. Good eye.
I believe it is a calcium caused problem. I was going to suggest you spray a branch today with your c25 then tomorrow night mix a batch of K nitrate,K,silicate,fulvic acid and some kelp just to help with the digestion,or some aminos for the kelp.
P def for me I notice they are crispy leaves with smaller necrosis spots
Anyway on the light spectrum go to UC Davis or TAMU they will have the spectral studies. I found this one which really has nothing to do with your question but is the same area.
JK
Edit: that download took so long another dog snuck in, And I agree with him also. It is why I believe it is a calcium problem as the leaf is not able to up load the Calcium as fast as it's getting locked out/ used.
I think tweedy has a good point. Light meter measurements would be great, PAR light meter measurements would be even better.
Increased metabolic rate due to localized increase in light values was my first guess. Thus the deficiency that does not show elsewhere.
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