I currently have a 120 gallon tank and it is beautiful! I have several fish, that include: 2 Koi (about 3 inches in length), 2 Bala Sharks (1 about 7 inches and one baby), 2 Tinfoil Barbs (1 about 6 1/2 inches and one baby), 2 Silver Dollars (both about 4 inches), 1 Orange Gourami, 1 Eclipse...