First grow help needed!!

im seeing the leaves constitly dieing on one of the plants so i repotted hopeing that would help and also all the plants have a few leaves that seem to have a worm like burn to it and itz spreading on the same leave but slowly showing up on the rest it aint to bad but i still rather know where itz comming from also wanted to know about switching the lighting i been using 18-6 wondering if i should lower it? maybe 16-8??
1 Plant is 21" waiting for 24" to start flowering
2 are 14"
1 is 13" no where near flowing so count that one out lol
i started using nutes bout a week or more so far 2 waterings back to back since the water looked like water still lol

any help would be great thx

Nutes? Soil? Lighting?

liquinox grow 10-10-5
fox farm ocean forest
1-23w, 3-42w cfl and 2 42" 32w each above

here are some pics to determine what is happing!! ok the first pic is the plant that has no leaves for have of itz size... and the second pic is the worm like burn in the leavez.... and thatz my baby the 21"er that is being protected by that lil guy
last photo juz a quick shot of what i have going on sorry for the quality its the phone and lightz were really bright lol

waht kinda of nutes are u using .. im using advanced nutes sensi bloom wrks wonders ,

yer prolly gonna need some more light mane

Nutes are Liquinox 10-10-5
i have them outside from 6am to 6pm and inside where the pics are taking place is where they stay to get the rest of there 18 hours which is till 12am and so on

yeaaa so anyone know why i am getting worm like burns in my leavez? also why is my plant keep losing its leaves

dude throw away your k mart nutes and buy some real food for your babies. You'll thank me later

i had these problems before i used nutez bearly started like 2 weekz ago they are alomost 2 months old and osh nutez working alot for the time i been using it but i were all sure advance nutez would be better but no need to go all out on first grow.