Please HELP!!!!Small/purplish red tint on leaves

Just like the title sais, im sorry i dont know what the ph is or humidity the temps get to around 77-87. their in a neutral medium of perlite and coco fiber and i have given them a little shot of grow each. Their all in 3 gallon bucket under a 400 w mh. They have a redish tint on the leaves and the plant themselves are a light green i transplated when they had nice root systems and put them under te 400 about a little more then 2 weeks and they have shown little to no growth this is just irritating could someone help. Their clones
 
Hey thx for replying +rep, but ya they are a more purple strain i just cant figure out why they haven't grown, I'm using auroura Grow and serenity
 
ok? well...........your dumb. Just lookin for a little advise not lookin to argue with some little 12 year old so if there's someone there that can help me it would be much appreciated
 
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