Change your light cycle to night. 8 more hours of dark will not hurt, if it were light then we know it would screw things up. The extra dark is like a cloudy rainy day. You could have one huge plant or 20 small ones as long as your light will cover the footprint. I think your fine and sounds like you got it toghether. Waitng to see pic's. That's awsome growth for a month of veg.