3 week flower blueberry and dynamite

So this is my third week of flowering for my ladies, I added the aerogarden light underneath for some more CFLs and to cover more of the light spectrum that my 150w HPS doesn't hit. Biggest problem right now is keeping the ph level right. I added some root booster so I think that may be the culprit.

any comments on color or tips would be great

check this link and look for your problem its helped me greatly

http://www.icmag.com/ic/showthread.php?t=11688