Tunze 9010 is a great skimmer for anyone looking for a quiet, powerful piece of gear to fit in a small space. Works right out of the box, pulling decent skimmate in just a couple days. It does throw some bubbles during the break in which was pretty annoying, but once those dissipate (took about a week for my tank), it creates a consistent foam and is easy to adjust. Once you find your sweet spot with the air adjustment, its smooth sailing. The fact that the cup and foam reactor area attached makes cleaning a breeze. Can be touchy when feeding oily foods or when you disrupt the tank, but aren't most skimmers? Another quality product from Tunze.