Plant Growth Issue, Need An Advice

Yello there Ladies and Gents,

I hope all you guys are sound and well.

I need an opinion on the potential causes of the plant growth issues.

Let me briefly explain the history:
-living soil, cooked for a few months
-organically fertilised, a lot of different teas
-initial growth outside was normal (in a greenhouse)
-after move to grow tent they mutated/dwarfed to the shape they're in
-had issues with russet mites(3rd wave), scale bugs(2nd wave), spider mites(1st wave)
-seemingly resolved with natural predator (pics sachets)
-sprayed with neem as well (all treatment was done after the visible symptoms noticeable on the photos)

-pot size : 30-40l
-I'm an experienced gardener new to growing ladies
-tent size 80x80x200 (cm)
-fresh filtered air intake
-fan and humidifier used
-light : Mars Hydro TS 2000W

I am well ware I need to start a new grow nd all. I just want to identify possible caused in order to avoid them next time. I found a few common things in the few grows I have done. (parasites, moving plants at one point into the tent, light stress complemented with some nute issues).

One or two plants performed well in the same set up. Overall a failure.

Please advise on steps/precautions to take on the next run.

I wish you all a Happy Christmas.

Stay cool.

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You've had some learning experiences. It wouldn't surprise me if most of your problems are from the insects, and the treatments. Also, I wondered about your fan, whether your plants are getting wind burn. I only run my fan a few hours a day.

Good luck. Maybe someone else will chime in.