newbie questions (top drip)

hi all i have a few questions i have one grow under my belt with a aerogarden i bought a top drip system a few weeks ago i have 8 plants growing all the same age give or take a day started on 3-28 so almost a month old growing under a 400 hps running 12/12 using 1/4 strength floradou and cal mag pump on 4 times a day for 15 minutes...Temps range 70's humidity on the 30's PH stays at 5.7
my problem seems that i have yellow leaves on some and they growth on some seems so slow one almost none i know its a deficency but not sure how to fix it can some please help save them as i dont want to lose them....... i also have 8 big bud clones should be done the first of next month planning a diy flood and drain i want to fix this problem before i start on the clones so they dont get it this

Thanks in advance PLEASE HELP ME !!!!!!!!! i feel so dumb

DATE ON PIX NOT SET SORRY

What levels of NPK are the little girls getting ?

well ppms are sitting at 800 and using tap water set out for 24-48 hours

iwearpanteez said:

well ppms are sitting at 800 and using tap water set out for 24-48 hours

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You should stop the cal mag for now. 500 - 650 PPM of the A + B only. Don't need to start the cal mag until about the third week of flowering.

so you think nutes are to strong and no calmag for awhile ok i can try that should wait till i do a res change in a few days or do it tonight