Well I'm happy you have your first grow under way. Wish I didn't have to tell you that your plants are all sick already.
They look over watered. Let them dry out before you water them again. Don't kill them with kindness!
See the way the leaves are hooking under at the tips. To much nitrogen.
Light levels could be a little high.
The Yellowish streaks on the leaves. front right plant. Lack of Phosphorus.
Reddish stem. Front left plant. Lack of potassium.
That's an impressive collection of nutrients. But in reality you only need $20.00 worth of Pro Mix or Miracle grow and a little watering can.
The Kiss Principal. stands for keep it simple stupid. And no I don't think your stupid. It just works for me.
Look on youtube for mainlining and low stress training. ASAP. Watch a few videos and get after them.
Grab a bottle of Pro mix 12-6-6 and use it 1/2 strength. Your plants will green up and be OK in a few days.
Leave all that stuff on the back shelf on the back shelf for now.