Not sure what it can be, curling, drooping, splitting, etc..

[SHDH]

Hey everyone,

200W CFL 18/6 - 4-5 weeks from seed. (first couple weeks were only 46-69w)
Coco/perlite mix.

Critical Kush and The Doctor (triploid).

PH is measured with a meter - no issues there
PPM hovers anywhere from 4-650.
Floraseries nutes with cal/mag. Also attached schedule I follow. Been rotating between nutes/plain water and making sure there's a runoff.

Not sure what I could be doing wrong to be causing slow growth and leaf issues?

 

[mikeykrinshaw12]

broad mites.

 

[deadgro]

What's the temp?

 

[SHDH]

broad mites.

Inspected with 60x scope, did not see any mites.

 

[SHDH]

What's the temp?

70F lights off, 75-78F lights on.

The box has a pretty high CFM for the square foot. Get's cleared quickly.