Advanced nutrients website has a calculator and charts to help you understand the nutrient requirements your plant needs.

Monitor the temperature at the top of the canopy and bring in more lights if you can. Try adding some CFL as sidelight if you have room.
Zandor Reviewed by Zandor on . lightin and nute specs zandor,harddon any1.......... ok heres an update and the numbers....... lighting @ veg =4xflouros 4-5 inch from plants, f36w/35 white 2850 lumes. veg nutes. sensi grow part a= 3.7-0-0 part b = 2.5-2.2-5.7 the soil is a multipurpose pottin soil 4 seeds and up with a 50 50 pearlight mix. for veg we have a 600watt nutes = sensi grow part a = 4.3-0-3.1 Rating: 5