Plant size and leafs showing nutrients deficiency?

Hey guys, I usually grow autoflowers, but thought I’d try photoperiods, for a bigger yield, and bigger, tighter buds.

I’ve noticed that the plants haven’t shot up much, and they are about 8 weeks old. Should I flip them into flower now?

Also, can anyone tell what nutrient deficiency this plant has? The other 2 seem fine, it’s just this one plant.

Pictures will be uploaded shortly

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You should fill out and upload a support ticket too

Also need photos in natural light and with grow lights off if Amazon burples.

Support ticket…:+1:

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Indoor or outdoor? - size of grow?: indoor 4x4

Otigin of seeds?: seedsman

Regular, feminized, or autoflower?: femimized

Origin of water. PH, EC/TDS of source water?: tap water, left for a few hours

PH and TDS/EC of if mixed solution?: na

Grow method? Soil, Soil-less, Coco, Hydro, Aquaponics. Please explain: all soil mixed with perlite and worm castings

Nutrients or fertilizer system used: organic soil amendments, a 3 part. Will post a link shortly

What typr of lighting are you using? LED, HID (MH, CMH, HPS), or Fluorescents? Please elaborate: using a Mars hydro led with 4x4 flowering zone

What are the temps in your growspce? Day / Night?: about 28 °c day and 24 night

What is the RH = relative humidity in your growspace? Day / Night?: day about 50 and night about 40

AC, Humidifier, De-humidifier?: none

Do you have a Ventilation system? Size? 4", 6"?: 6inch outlet

Co2 Yes / No?: no

How long have you been growing?: 18 months, but only autos

What budget have you set in order to grow successfully? £750

If you grow hydro, then please explain your hydro method. DWC, R-DWC, Ebb and Flow, Or; Other? Other?: na

16b. Size and temperature of solution in reservoir?: na

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Are you adding Cal-mag

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I actually have not for the last few weeks. I’ll add it in to tomorrow watering, and hopefully I’ll see a nice response

Feed them girls, nute deficiency, I suspect potassium from yellowed margins dark green interior.
Not (na) PHing that water/nutes maybe a lockout.

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I need to invest in a proper ph tester I think

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Apera or blue lab both around 50 bucks good choice for Digital ph meter.

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Apera 20 pH works like a champ. :+1::+1::+1: