That was a steal of a deal for the price you picked it up for. The only thing I would add would be a ton more sand to increase the effectiveness of the dsb. I am a serious advocate of letting a nice sized dsb naturally doing the work for you. You dsb is adequate, but a bigger dsb is better in my humble opinion. Also... please put a nice large lionfish in your reef. They are reef safe. They are just not small fish and invert safe.