They are under HPS right? What tweaks have u made to tangs schedule so far and how often and much have you been watering? Lights 18+ inches away? I really want to help you get to where u feel comfortable using the soil and soilless mediums. That's all I've studied and know really. I do have one organic plant going myself. Will b running roots organic or nectar of the gods on her. But the rest of my garden is Promix HP and AN products with tangs schedule. Great results so far and gave me a baseline to start and b successful while I try out a few other things here and there without having huge effect on my garden.