Well id say i set it up late in january, so around 3 months. Ill take some pics of whats back there but i have a 98 gph pump on 100%, tetra auto 78 heater in the bottom of the back, hex ceramics for bacteria and pod housing, theres quite a bit of macro behind the rock actually, along with a carbon filter pad that is changed once ever week or two. Weekly water changes, zero testing, reef crystals @ 1.025, 8 1W led light 6 blue 2 white on a 6" wave point fixture, CUC is about a dozen and a half dwarf ceriths and two blue leg hermits.