Finally decided to upgrade to a bigger tank. hope to keep a diary of my reef journey. Part 1 of old tank for old times sake - 4 X 2 x 2.5 please feel free to comment / advise. Planning decided to go with Iwarna for the customization of my new tank. specification of main tank: 5 X 2.5 X 1.8 feet sump tank: :yahoo: :yahoo: