For the money, it is still better to go HID.
I use 400 watts with two 95 watt HO T5 fixtures on either side.
I think that you need more power.
You can Try this, Home Depot sells a 6 foot power strip to mount on the wall. It does not come wired but add some plug to bulb sockets and some Y's and you have 12 bulbs spread across a 6' bar.
I built one for a friend as a hanging 12 bulb 6' fixture.
I did not take pix but It's easy.
Learn your light spectrum as well to get better buds.
Blue veg, red flower, (the basics)