Thanks for the replies. I think I'll go with a 3 x 3 x 6.5-7. That's about as big as I can go due to stealth issues. And I wasn't really thinking about the height. Since first posting I've been reading about distance to lights, filters and fans, and some others things that have been brought up...
I'm a newbie and about to purchase my setup and was wondering if the closeness of the tent sidewalls would make a difference in plant growth, as far as light reflectivity? I plan on one plant at a time as I'm an old fart in a rural area with no other smoke partners. 3, 4 oz's a year would be...