Welcome mate and look around the old posts for all of your growing needs but were all going to need a bit more info......1)What type of median are you using (What are you growing in:soil,buckets, clay rocks etc.) 2).What type of lights are you using and what type of light cycle do you have them on? 3) Do you have pics for you'll get a bit more help.I kno this seems dick but I'm only trying to help mate :thumbsup:

Welcome all and all and good luck on your grow I hope it goes well and I know your going to have a nice lush, long life here.