For sure man, wavelenght, angle, brightness, its a danger laden path for the uninitiated.
That said get eh correct colour (wavelenght) and as bright as absolutley possible and you cant got to far wrong.
PS was just looking at your 'poor mans grow' that kicks ass, just goes to show that an hour in walmart, a decent 6x6 space, a few rolls of aluminum foil and your away, smokey time!
