After looking at the pics you might have a slight nute burn going on, but that's not what your problem is. You need a way to check ingoing and runoff pH lvls. My guess is your soil pH is low which is starting throw the plant in lockout.:thumbsup::thumbsup:
Agoblue97 Reviewed by Agoblue97 on . Plants - Nute burn and No added nutes (form filled) What is your experience level? first timer Your Equipment: 1) Type and wattage of lights. CFL(six) 4 bright white, 4 soft white. 23w equivalent to 100w Distance from tops? Approx 3inchds .3) Reflector type?None .4) Is there a consistent fresh air supply? No air circulation in the go room to out of the grow room or vise-vera. .5) Do you have an exhaust fan and a circulation fan?Fan circulating 6) What are the bulb wattages, kelvin ratings, and schedule? 100w (6 cfls) =600w? Rating: 5