In Beijing, the sun angle in winter is low, so there are some area without sunshine in the pool, and we add four 400W metal halide for supplement, maybe more metal halide would be added after the corals been placed.
We have a cooling system connected to a bigger greenhouse, it work by water and evaporating system. The algae issues is unknown for this pool, but it seems that is not a problem with smaller reef system with sunlight.
Pics for the shallow area... some creatures has been added, include 10 gobies, worms and crabs to keep sand bed looks good. The sand bed of the shallow area is over the water on the edge of the pool to get more natural view, but it cause a problem: the saltwater is siphon out slowly by the capillary structure in the sand, now we have do nothing on this, but if it is a serious problem maybe we should do some modification.
All of these photos was taken by the end of 2010, now the first batch of SPS corals and some Tangs has been added, I hope I could update soon with more pics and videos
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