how to grow a mother

a quick question on a mother plant what light to use at the moment iv got 5 clones i aquired under a 600w hps witch are now 1 ft tall my other 2 clones are under 110 w floresent they are the same age as my other babes but are only 6 inch in hight dont seem to be going anywere any sugestions plzzzzzzzzzzz as i want to use one of these as a mother

Just one light on the other two? I think you should probably add a few more, and make sure they're not more than like two inches above.