No I dont have a center brace at all so that is an advantage for me. I was thinking that if I hand it like 9" above the water then I should get a good spread. Here is a link http://www.pacificgardensupply.com/p...=LA3&cat=2

Here is a link to the Lumenarc III regular whick is like 19.5"X19.5"X9" but that would be too big for me but the mini is 14.5"X14.5"X6.5" Just wondering what people thought. http://www.advancedaquarist.com/issu...03/feature.htm