I’m growing auto flowers under 1000 w DE HPS lights, how often should the plants be watered in coco/ perlite 70/30 mix? Preferred ppm or EC? I’m using Advanced nutrients Sensi coco part A&B grow and bloom. I plan on using B-52, Voodoo Juice, Bioroots, Calmag Plus Botanicare, Big Bud, Rhino...