Yo,

Just buy PHILIPS Daylight (!!!) ONLY 27W. For 15 CAN w/tax you get 2 flourscent bulbs that are:

5000k cool
1660 Limens
CRI 83
100W/27W
10000 hr Life

There great, Im using them now with 2 goose lamps to get them as close as possible to the plant (1-2 inchs)