The more time I spend on the site the more I think about growing indoors at some point in time. Does anyone have expirience with the below mentioned bulbs. They run about $70 with shipping. If I ran 4 of these bulbs I should be able to cover a decent area correct? Product Description High output U-tube compact fluorescent, 200 watt, 5000K, 85 CRI. Mogul screw in base, 120 volt. Optional Miro 4 reflector available. Excellent for photography, plant grow, shop, light therapy, etc. Length (end of socket to top of bulb) - 13.5 inch, Diameter - 5.0 inch. Lumen output - 9500. Replaces 400 watt bulbs. Other HO U-Tube also avaialble, 85 watt, 100 watt and 150 watt.