Defienciey problem

What do u all think his is potassium or magnesium

I think it’s an information deficiency.

Give a little more information in your post. Temp, ph, type of growing medium etc. The more info you give the more accurate your answers will be.

K sorry about that temp 72 day 66 night th 60 day 50 night food soil ph 5.6 nut solution tds 71 all fox farm nutes