That's right it will be from genetics or the nutes you are using not the light !
..".Light intensity influences the expression of symptoms of some deficiencies and toxicities. For example, growth at low light intensities suppresses the development of symptoms of zinc deficiency and phosphate toxicity. More important, when increasing light improves growth it also increases the nutrient demand and the likelihood of all deficiencies."
...the leg bone's connected to the knee bone...the knee bone's connected to the thigh bone...just sayin'...lolool...cheerz...h00k...