I think it all is over fertilized. Ease up, drop the superthrive
WashougalWonder Reviewed by WashougalWonder on . Trying to figure out what these problems are? (New to indoor growing) What is your experience level? novice-experienced Your Equipment: .1) Type and wattage of lights. fluorescents (around 300w t12 and t8; 4 2bulb fixtures 48") 2) Distance from tops? around 1.5"-5" depending on size of plant .3) Reflector type? Rating: 5