I'm not sure you've got enough live rock: looks like about a third shy of what you need. What's your weight and how dense is it?
Take the filter out of the picture and run it empty---just for the pump action---you don't need a filter for a reef, and if you plan to have a FOWLR you can put it back into operation while your cleaning crew works. Drop a micropinch of fish food in there daily. Then see if you get any ammonia. If you don't, after another week, risk one snail and see what happens.
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Sk8r
"Make haste slowly." ---Augustus.
"If anything CAN go wrong, it will, and at the worst possible moment."---St. Murphy.
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