HOPELESS GROWER IN NEED OF EXPERT HELP PLEASE

[hopeless]

Hi there im trying to grow with a 600 w sodium bulb in plagron soil royalty 50.
I started germinating my seeds 4 weeks ago and they have been under light for 3 of them weeks. they now have very bright yellow leaf tips and dark green in the middle. Any ideas what this could be?
Thanks for your time help would be gratefully recieved

hopeless Reviewed by hopeless on 07-26-2005. HOPELESS GROWER IN NEED OF EXPERT HELP PLEASE Hi there im trying to grow with a 600 w sodium bulb in plagron soil royalty 50. I started germinating my seeds 4 weeks ago and they have been under light for 3 of them weeks. they now have very bright yellow leaf tips and dark green in the middle. Any ideas what this could be? Thanks for your time help would be gratefully recieved Rating: 5