Hummm, I’m very curious to see the replies on this , I had some that did somewhat of what you’re showing but it turned out that it was a granddaddy purple plant and it was just getting ready to turn its purple color, that young lady just seems quite young to be turning…
Could be genetic, what strain is she?
What about your night time temps?
Although it kinda looks like a phosphorus deficiency. Maybe a more knowledgeable grower would have more insight. I’ll tag a few @Covertgrower @Budbrother, any thoughts?
If we have a support ticket on what she’s being fed, we can get a better idea of what’s going on.
Experienced community members and expert staff will be better informed and more capable of providing a more informed answer.
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
- Method: Soil w/salt, Organic soil, Hydroponics, Aquaponics, KNF
- Vessels: Pots, Grow beds, Buckets, Troths
- PH of Water, Solution, runoff (if Applicable)
- PPM/TDS or EC of nutrient solution if applicable
- Indoor or Outdoor
- Light system
- Temps; Day, Night
- Humidity; Day, Night
- Ventilation system; Yes, No, Size
- AC, Humidifier, De-humidifier,
- Co2; Yes, No
Always try to upload a clear picture of any issues you may have to allow the community to assist you.
Add anything else you feel would help us give you a most informed answer should be included. Feel free to elaborate, but short and to the point questions and facts will help us help you in a more efficient manner 
Thanks!
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What strain: random seed
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Method: all purpose soil
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im using a plastic pot With a ph of 6.3 every time
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Outdoor
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Temps; Day, Night: I live in San Diego and it’s gotten pretty hot since I started it’s always around 80 and at night like 60
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Humidity; Day, Night: usually around 50 to 70
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Ventilation system; No
And the nutes I use are the fox farm trio