Doobieus
Well-Known Member
If you're temps are at 85F then you might want to get those temps under control before you lower that light, because when you lower the light more it'll get hotter. 8-10 inches is pretty high, a 250 only has about 3-4 feet of light penetration, so the higher the light, the less lumens, the less lumens, the less productivity.never mind that my rooms temps are 85 but the plants do not feel 2 hot so will be lowering the light probly 10 or 8 inches above the girls
68F low - 78F high, is the optimal temps for growth, but going a little higher isn't too bad.
MindMelted is right on about height and about the ballast.
Hope this helps.