Deficiency could use advice

[odirt]

High guys look for info being color blind I have hard time with this stuff lol I’m post sum pics. Plants on auto feed 55g drum 150-250 cal mag and 550 a& b canna coco.

 

[odirt]

Now I was running propane co2 at 900, tried bring air in and out to exchange. I since stop using propane. Temps good humidity can be a little low in 40 since plants stop eat every other day. Idk If light shock or something else.