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About 36lbs of live rock
I think it was 35-40 lbs of live sand
The stock protien skimmer that came with my Red Sea max 130
I use a magnum 350 with the flow turned way down as a media canister
Using phosphate and nitrate media
It's possible you have too clean of a tank for the Xenia and such. They like a little more of a dirtier tank than lps and sps corals. Very low bioload along with Weekly water changes and the media are likely stripping all nutrients from the tank.