Maybe You should read some of this wonderful information that the other kind people here have posted.? And with that 2 1/2 feet you should lookin towards SEA OF GREEN probaly. But 12/12 lol for jump.

Best advice i will give you is read some threads.

http://boards.cannabis.com/basic-gro...-dankness.html
http://boards.cannabis.com/indoor-li...uch-light.html
http://boards.cannabis.com/indoor-gr...-progress.html