My tank is a 45gal fresh water. I have a marineland penguin 200 with bio-wheel, and a Fluval 70 Aqua Clear.. My tank has been setup for over 2 & a half months now.. The fish i have are an angle fish, 2 platties, 1 dwarf male gourami, 5 Danios and a rainbow shark and three ghost shrimp.. :thumb...