Bulbs?

i hav a CRI84 that my frend gave me and i need to no if it is good to grow with can any1 help me?

what do they look like

its looks like a softball

What difference does it make what they look like? What are the specs of the bulb?

its 23 wattage 120volt 2800k its called Panasonic light capsule energy saving light bulb

your goin to want 400 watts (150 compact floresent) for every 3x3 area minumal and 5000 or 6500k