Need some opinions...pics inside are my plants ok??????

Well just wondering if you guys can tell me if my plants look ok.if I'm doing a good job or am I missing something...
These are just 2 plants out of 24 that I have they all look the same.
Strain is pure kush.
They just hit the 4 week flowering..Im just wondering if there ok. Because I've seen the same strain same weeks flowering and they look bigger then mine what am I doing wrong?
Specs is....
4x4x76 Mylar grow tent
6 inch inline fan.
Temps stay at 70-75 during lights on.lights off temps are 60-65
I use co2 as well
Ph stays around 6.6
Ppm never tried checking slacking on my part.
As for food I feed them 1 tsp per gallon. I posted a pic of the nutrients to show u guys. Also is there any other nutes I should add to my mix?
I'm using a 1000 watt hps grow light with 6 inch ports
Any help or advice would be great.. Here's the pics thanks guys peace.....

looks good dude but im sure the reason there alittle smaller is due to to using x1 1000watt for 24 plants. I think x2 1000s would be better.
and would increase your flower size, hope this helps

Hey man your plants are 90% bud....lmao....Id say your doing an awesome job....

lol thanks but im trying to aim bigger budds lol imma upload bigger images right now