Heya Calarok,
Seems you got a few going on there. First thing I would do is make sure your pH is 5.5-6 for coco/hydro and between 6-7 for soil.
What grow medium are you using and are you using any nutrients?
Looks like your having a lockout, because those leaves resemble those of plants that are suffering from multiple deficiencies the first thing to check is the ph if it's off this would be the cause of this.