I just recently transplanted some plants in 1 gallon pots sitting under some t12 florescent fixtures to 3 gallon pots to a thousand watt HPS. I moved them 3 days ago. The first day was fine but since then I noticed that the growing tops of my plants are yellowing. I have the light several feet above the clones and I haven't even fertilized them yet. The tops look like they might all die am I screwed already?
Yeah I have an air cooled hood with a decent amount of air flow. It stays like 70-75 degrees in the area I have a fan blowing the air around.