I have a 55 gallon tank with a glow light t5 light blue. A fluval 405 one power head and 55 lbs of live rock with crush coral and 2 damsels and a fire shrimp. I did a water change 20%. I put some cycle and stress coat. Is there anything I need for live corals. Should I have a sump for a wet dry and a protein skimmer? If so what size tank ?
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