Newbie Hydro Grow(White Ryhino)

hello everybody this is my first grow and was wondering if you guys can give me some suggestions and or comments. my plants are between 3 1/2" to 8" tall. they are 4 weeks from germ and are currently under 400w mh .started in somthing called the areogarden and 4x t12s. now they are in a homemade bubbleponic system with drippers and a bubbler. my closet is 6' x 3' x 8' high(temporary will be moving set up to garage after this grow). ph is @ 6. ppm @ 1300. temp. ranges between 70 to 85. humidity 29 to 40. they are in 6 in net pots and seem to be doing ok but they seem to be a little short compared to other posters plants at the same age. here are some pics.

sorry...can somebody tell me how to post pics from my computer?

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hi alien, my plant looks very similar to yours not that tall but quite bushy, mine is about 3-4 week old and about 6.5 inch tall, don't think its anything to worry about, different strains grow different sizes, keep me posted on how you get on.... peace

thanks grape for the reply and reassuring words. well here are some new photos of my plants and soon to be new grow room. my tallest tree is 14 1/2" tall and shortest is 10 1/2" rest are about 12" .

check out these reflectors i made mylar on top of foil on top of cardboard.

here are some pics of new grow box.tubs are 50 gallons each. the frame is made of 1/2" pvc pipe and the top is plywood. the dimensions are 5' x 4' x 8'. wraped around with mylar and heavy duty garbage bags. will have 8 x t12 fl tubes .i'm gonna try to make another for flowering with 1000w hps.

heres some new photos. these are right before cloning.

these are pics of 2day old clones and mother/father plants 1day into budding ....clones are still alive so must be doing ok.

looking good man just hope those are all girls othen then that the plants look great

thanks D man.well its been 5 days so far and two of my plants have shown thier sex 1 male and 1 female . three more to go . although 2 have a hair on one of thier nodes. but will have to wait and see to make sure. here are some pics of the male i had to cut down. i was wondering if could just leave the roots of the male plant i cut down because its roots are tangled with the female plant next to it. would this be ok or will it negatively effect the other plants? thanks for any help.