My 45 gallon has been set up for about 16months. I have 55 lbs of Marshall Island live rock, 3 inch sand bed, and run a refugium. My tank is skimmerless. I have about 20 or so assorted corals, 2 False Percs, Falcos Hawkfish, Royal Gramma, CBS, Cleaner Shrimp, Sally Lightfoot, Assorted Snails and...