Its hard to tell anything with those photos not being as clear as one would like...I'm afraid I dont know much about rockwool but hear it can have ph and water retention problems.
Weedhound Reviewed by Weedhound on . 1st Grow, Advice Needed Hi, I've been reading alot of different resources and decided to take the plunge last week and get a simple grow area set up. My growing method I have chosen was nft and i germinated the seeds fine. I germinated 4 seeds and they all seemed fine. They are now 7 odd days old and just want peoples thoughts on if my plants doing ok and if any one can spot problems would be great as then can easily correct them and learn from any mistakes. This is my first grow so i'm using it as an Rating: 5