I'm semi-new to fish keeping, but I'm looking to make some changes to my tank and want to make sure everything will work out beforehand. I have a 55g tank at 80 degrees stocked with 3 4" Tinfoil barbs, 10 tiger barbs, 8 zebra danios, 2 German blue rams, 2 dwarf gouramis, 2 green Cory, 1 sterbai...