sun covers light and dark. Get some nutes weather you wanna go miricale grow(adding more then recommended is not adding more food) or pro chemicals(i recommend organic nutes) or even go completely organic by looking up subcools’ super soil. Get some moslasses like black strap, you dont need much. Start with bagseed to experiment with before buying the good genetics. A little high at the moment so i might have forgotten a thing or 2...