Why do you say that Jake? My plant is having incredible rates of growth under this light, so could you explain why I shouldnt be using it?

Thanks
JohnnyPotGrower Reviewed by JohnnyPotGrower on . Day 16 Question Growing Northern Lights under 400W HPS (24/0). I have had very impressive growth thus far. !6 days old with 5 nodes. Impressive secondary growth as well. Wish i could post a picture but no cam at the moment. Anyway, my question is whether it should be a concern that the first set of leaves (not the round ones, but the single leafed set) are turning yellow. The little round leaves have already shrivelled and died which I know is normal, but the same is occuring in the first set of true Rating: 5