i am wanting to grow in my attic,and i am a little confused as to the lihgting.i want to use a 430 watt son agro.the problem is the height of my attic.the space is 5' x5'.it is 2' 8" at it's lowest height & 4' at it's highest.is the 430 watt to much light? i am worried it will be too close to my...