indoor grow question

Hey everyone! I’ve started my first indoor grow 6/4. I have a 4x2 tent with two 600watt led lights and a 4 inch inline carbon filter. I’ve pretty much kept them on a 18/6 schedule but I’ve been thinking maybe they need 24hr? I know there is only about 5 weeks of veg stage before flowering...

Concerning my 1000w MH, I asked people how high it should be above the plants since I'll be starting with it from germ. "100% in ballast all the way or if your worried run it at 50% for the first two or three weeks. I had a 600W at 100% since sprout. Start as high as it goes for seedlings ...