Looking at the picture if your misting your plants then stop because it's causing wrinkling and your leaves to get scorched by your light. Honestly if you can veg is better under a metal halide bulb with better spectrum for veg.
As someone starting in growing cannabis is understanding that you need to make sure that your PH is alway between 5.5 (hydro) and 6.5 (soil) when you feed your plants so that all nutrients are available for uptake by the plant. Too alkaline or acidic will cause nutrient lockout despite plenty...