Thanks @TheShowMeHomie and @Dej
Another update, usually i like to spread out my updates to be at least 2-3 days apart but anyways.
Moved the older plants over to the left side cabinet and have the reservoirs and auto watering all going, currently set at a 6 sec duration every 12 hrs, which works out to be 175ml total per event from three nozzles, the pots feel decently light before watering so i fully expect im gonna have to increase my watering duration and i would rather go that route than more watering events for now as i kinda want to have a longer dry period. Lower yellowing i think is just cause of the infrequent watering over the last bit and me running on the lower side feed wise.
Also watered the right side last night and they are enjoying it.
Oh and still running at 70w per side which is 23.3w/sqft at 18" just gonna leave it there for now.
And the two remaining C9D’s showing off their autoflowering trait now, mission accomplished… but may only keep the right one around for a bit.