hello, i have a planted tank with 2 discus i pickd up a month back.. one is doing really well.. the other well im not so happy abt his colouration. its not as bright as the other.. but other than that he seems to be getting on alrite. i was told my a friend that i should add some tetras. or some other fish to help make them less shy too. the tank dimensions are. width 3 feet. breadth 1 foot height 1 and a half. thanks george