Hi all,

Would like your feedback regarding diagnosing this little girl.Any feedback is much appreciated.

Background:
Autoflower (afghan kush) in DWC hydroponic.
~33 days of life
- ph checked and stable at around 5.9
- Advanced Nutrients (Micro-Grow-Bloom) only
- total ppm 800 (tap water base 150ppm)
- LED light
- Temp 70F light-on; 50’s light off
- water temp in reservoir stable at 68F
- 2 constant stone pumping oxygen
- clearRes as needed on every water change
- water being changed max every 10 days

Symptoms:
- Started noticing after 2 weeks of life that the lower leaves exposed to light prese ted some sort of deficiency
- Now I have noticed one of the upper leave has started to be affected by something else as well.

please see pictures below and help me identify the issue.

sta