looks like nute burn 2 me
if it was a proplem with n
it would start at the bottom
and work its way up . . .
but here we have yellowing of the new growth
i would just flush with ph'd water 4 a week
and u should b okk good luck
there is something wrong with your nutes they are unbalanced i would add some mg (saltwater) but it also looks like from the green from the center top looks like temp change. i would think your temperature between lights on and off are varies a lot
there is something wrong with your nutes they are unbalanced i would add some mg (saltwater) but it also looks like from the green from the center top looks like temp change. i would think your temperature between lights on and off are varies a lot