i have 4 white dwarfs going under a 400 watt hps and they are 4 weeks old. however, they just started flowering and the biggest one is only 4 inches, I'm pretty sure that the growth is stunted do to the miracle grow potting soil i am using. some of the leaves on the plant are completely yellow while some are very green. The leaves are also very tiny and have not grown much. Is there anyone that could give me some input on what I need to do? Also, are there any local stores, home depot, lowes, walmart, ace that sell good organic soil without the time released ferts?