F fjr Member Market Messages 37 Reaction score 0 Oct 22, 2009 #2 hey thanks,i thought it was 6 or 7 inches.just installed a set and my tank is heating up a little
F fjr Member Market Messages 37 Reaction score 0 Oct 22, 2009 #3 its a 55 with a4 bulb retro icecap system.i had a cheap 4 bulb single reflector kit and swapped