I forgot to add, the Coralife skimmer still works, but isn't the greatest skimmer. It's in the blue bucket in the pictures above, and is included. It may work better with a better pump, or look at how to introduce more air to the existing one. I haven't had any time to tinker with it, it may just need an adjustment, but more likely, just need a cleaning. Hasn't been cleaned in over a year.