im using crushed coral gravel in my reef i noticed most of you use sand is there any benifit to sand over gravel?
pics of my tank
http://groups.msn.com/davidsreeftank
not sure its a bit low i have 100w directly over each end of the tank where the rocks are with no rock in the middle this seems to stop them wandering when i first got one i had 80 w it never settled till i put another bulb in
my tank is 6 x2 x2 they are all healthy i feed them once a week they are home to my own bred common clowns i have 2 blue lights and 3 white circulation is 15 times per hr