Fade or deficiency? Help please!

[Edisonst]

Problem: yellowing of lower leaves. Veiny appearance.


Medium/grow method: kis water only soil

Feed: and supplements used:
Dr earth liquid all purpose at day 18
Build a soil top dress and 2 tbsp dr earth flower girl at day 30ish and again at day 45 is.
Growers recharge every other watering


water source: well

Strain/age: serial crusher theory from ronin garden( bum wine free bee from dc seed exchange)

light used: mars hydro ts1000

Climate: 73 to 85 f

Additional info
Day 50 from sprout.
The bum wine seems fine but the sct has an issue. Wasn't sure if it was the beginning of fade or another deeper issue.

 

[namvet25]

Flush with PH correct bloom nutes along with cal/mag.Keep usjing cal/mag.

 

[Edisonst]

Flush with PH correct bloom nutes along with cal/mag.Keep usjing cal/mag.

Thanks! I had a feeling it was a cal-mag issue but didn't want to do more damage. Just watered with ph adjusted cal-mag water and will continue to do so.