Reef2Reef Contest: Win a Gen 3 Vertex Protein Skimmer
To enter, visit Reef2Reef's contest thread. In a nutshell, all you need to do is start a new tank thread or update an existing tank thread in their Members' Tanks forum. It's that simple!
Premium Aquatics (also an Advanced Aquarist sponsor) graciously donated the Gen 3 Vertex Internal Pinwheel Skimmer 180.