Deficit on Nutes, but which one?!?

I know my babies are missing something, but it’s not 100% clear to my novice eye. I am thinking CalMag?
The 1st plant that is real bad is my only photo in the bunch, the rest are autos.
They are getting fed with nite enriched water using Athena Blended Nutes
They are under a HLG 650r Diablo. Setting 10. About 36” from canopy.

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Leaning towards a CalMag deficiency, specifically the mag but I’m not 100% about that. She also looks a little heat stressed.

Do you know your plant’s ph, or the PPMs in your water? (This looks like a hydro set up, yeah?)

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Up your cal mag. Leaves will not recover but that is classic interveinal chlorosis. This can also mask an N def but that is dependent on where in the life cycle you are.

A Support Ticket would be more helpful FYI.

COPY/PASTE the below list into your forum post.

Answer these simple questions the best you can.
If you do not know, or do not use something; Just say so; Or post
NA (non applicable)

-What strain, Seed bank, or bag seed (photo or auto)
-Age of plant
-Method: Soil w/salt, Organic soil, Hydroponics, Aquaponics, KNF
-Vessels: Type and capacity of container (fabric, plastic, etc)
-PH and TDS of Water, Solution, runoff (if Applicable)
-PPM/TDS or EC of nutrient solution if applicable
-Method used to measure PH and TDS
-Indoor or Outdoor if indoor, size of grow space
-Light system List brand and wattage/spectrum
-Actual wattage draw of lights
-Current Light Schedule
-Temps; Day, Night
-Humidity; Day, Night
-Ventilation system; Yes, No, Size
-AC, Humidifier, De-humidifier,
-Co2; Yes, No

If growing Hydro some additional questions:

-DWC? RDWC? Autopots? Ebb and Flow? Other?
-Distance of liquid below net pot (DWC)
-Temperature of reservoir
-TDS of nutrient solution
-Amount of air to solution

Always try to upload a clear picture in white light of any issues you may have to allow the community to assist you.


Ph is around 5.7-6
Yes it is a hydro set up, using drip irrigation,Not sure in the PPM. I usually run till is runs through, pause till it’s done draining the excess run off and soak till run through again.

They are in organic Coco medium

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First, I would fill out the support ticket like @Myfriendis410 says which gives us a view of your grow situation and help with the aid of diagnosing your issues. Too many variables to guess.

Second, I would consider ppm meter. Not sure how you can tell what your feeding them.

Good luck! :+1:t2::v::sunglasses:

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