Polyps are simple green button polyps.
You will want to loosen up that rockwork to allow more flow through your system and you may want to move it off the glass now. It will be impossible to keep that area of the tank clean once it is running and established. You really want to be able to get into those corners to ensure you have good flow, can clean up detritus, and scrape the glass.
Take things slow. There's a lot of "goings on" in that new tank.
Dave
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