@brgmini: I used to have a tank under a large south facing window, while not as efficient as a greenhouse, it worked well.
I have swapped some anemones and some heliopora with a fellow reefer.
So I have added a red plating montipora,seriatiopora caliendrum, a sinularia and a ricordea.
I' ll post some pics.
The valentini puffer immediately began to bite pieces of the caliendrum, so I had to remove the frag from the tank.
I also fragged some of the corals for the upgrade (hopefully this summer)
I plan on making 1 enormous 'pseudo' colony of heliopora, about 70-80 cm in diameter and about 30-40 cm high.