Thx hp.
Since I have changed up several parameters on this grow(more light, more potassium, more fulvic acid, less frequent watering/feeding, added amendments to my soil), I have no idea what has or hasn’t made a difference on this grow. However, I have always been jealous of folks with dark green, shiny leaves. One, a combination of several or all of the changes have given me the healthy looking plants I have always wanted.