<a href=showthread.php?s=&postid=8078516#post8078516 target=_blank>Originally posted</a> by Billy1234
I would go with black, it makes the colors of the corals stand out much more. Blue will put more emphasis on the background than the actual tank. JMO.
<a href=showthread.php?s=&postid=8079132#post8079132 target=_blank>Originally posted</a> by duec22
ditto
<a href=showthread.php?s=&postid=8094382#post8094382 target=_blank>Originally posted</a> by CPT. MURPHY
ditto x 2
CPT.