I personally use a T5 4 bulb reflector for 4 plants and they are a stunning green and happy. My space is 2ft x 3ft & 6ft tall, and the fixture was only 100 bucks and included all 4 grow bulbs. Just something to think about

http://boards.cannabis.com/members/m...t-dsc02206.jpg

http://boards.cannabis.com/members/m...7-dsc02209.jpg