Help.. new growth problems (new pics)

Hey, so im mainlining for my first time,although thats besides the point, but youll see in the pic that the 2 shoots on one side are fairly smaller than on the other. Also the 2 smaller shoots have chunks and small holes in them. They are the only leaves on any of the 8 plants that have this problem. I have searched for bugs, dont think thats the problem.. there is also a light brown or tan line on the inside of the holes that makes me think its from a burn. I also had this happen on earlier growth on one of the plants on this grow but it never progressed and eventually i chopped that leaf off, but now it has happened again... i think it is a nutrient/PH/temp/humidity burn.. but please give me your thoughts.
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Also.. the new growth seems a bit yellower than before as well

Topping the growth tip on a stem causes auxin or hormones in the tip to generate new growth. Sometimes I've had tips that favor one side or the other-it's just nature.

RELAX.... Looks good.