Quote Originally Posted by Joshua
hah, not up to spec Robert, better get cracking. ;) Water clarity plays a huuuuge role as well. I'm sitting at about mid 80's in Gary's rule of thumb and I'm actually reducing my photoperiod this week down to 7 hours a day for the halides.
Like I said, I'm at 91 with my VHOs on and they are out of operation right now. I think the 100 is a best of all worlds scenario. I figured out Gator's ratio and its almost 250 watts/sq. ft.