Purchased a 120 gallon on Craigslist. Have a fx5 and Eheim 2215 as filters. I stocked it with all small fish. It currently has 7 frontosa, 6 lelupi, 4 calvus, 4 juli reggani, and 5 clown loaches. As time passes, I plan on having an all Frontosa set up (with larger tank) and rehoming the...