6/24 update: plants are cruising along. got calcium deficiency (I think) and started adding back in a small amount of tap water to every gallon of RO water these ladies got. I started giving them coco water last week with every watering too for micro nutrients. First and second plants look much healthier than third, third one also has the most deficiency spots. Did not account for how quick I would have issues when using RO water and also using LED's while doing the dry amendment topdressings. Right now, 2 looks the most promising and 3 is just not in the best shape but should end up alright.