original, chill a bit and youll get much more help here. If you dont a mod is going to remove you from the site and youll be up shit creek with no boat so to say.
Now the plants seem to get hit with nutes hard and seem unresponsive in growth when you stop giving them nutes. Ph is the first affecting factor with nutrient solutions, So what is your ph @? Second, what brand of nutes are they getting, what is its nutrient content, and how often are you feeding and how much (I assume you have an ec meter?)?