Removed answered grow question 7 months ago That is something called "the claw", is a symptom of too much nitrogen (grow nutes); see also how dark green colored are the leaves? They are supposed to look light green, not dark. 1.3 EC is a too high for this stage, 0,8 EC (400 PPM) is much healthier for now, 1.2 EC to 1.5 EC (600 to 750 PPM) are level of feeding for plants in the flowering stretch. Stop feeding for now, let it consume whats already on the soil.
Off to a very nice start, good luck the rest of the way!
good luck with growth