I would say that it is for more advanced growers that know how to control it.. And some people don't have access to stores with good stuff... I don't have that problem, Houston, Texas has everything...
the leaf tips are so curled that the tips where touching, wish i had some pics. the second set of leaves look normal they grew out alittle the 20-20-20 i was talking about was peters water soluble with micronutrients i read on here it was alright