Possible Dr. Nodes super Overdose

Hi all. I'm four and a half weeks into vegetative and seem to be having some trouble with the height regulator, Dr. Nodes. I've been watering 8 plants under a 400w Metal Halide lamp on a 22/2 schedule. I generally water 3 times daily and am using 1ml Dr. Nodes, 5 mL FF Grow Big, 15 mL Sugar Daddy (sucrose) and 40 mL seaweed extract per gallon. One of the plants is roughly 10 inches tall, the others seem to be around 7-8. This seems a little low to me considering I'm four and a half weeks into veg. Pics attached.

Are you growing in soil or Hydro?

continued..

I'm in soil

You don't water 3 times a day with soil and you don't feed nutes at every watering

So should I cut back to once daily? And water using nutes how often? Also, three of the plants are in FF potting soil, the other 5 are in a mix that's like 70% perlite.

Water only when the pots feel light when you pick them up but you have too much of a nute build up which you need to flush out. Water your plants with Plain water that has been PH balanced to around 6.3 flush the plants at least two times with a gal of water each time. Don't water again till pots are almost dry then you can feed nutes once a week.