I have a 30g. cube that is 20 inches deep. I am looking for a light fixture for a decent price. Do you think this fixture would have enough penetrating light to keep what ever I want?
http://www.marinedepot.com/md_viewItem.asp?idproduct=CU01120
http://www.marinedepot.com/md_viewItem.asp?idproduct=CU01120