This Rio power surface skimmer and CO2+ reactor is ready to use as a power skimmer. This dual surface skimmer will prevent clogging from large floating debris and the foam filtering pad will aid in the removal of small debris. In addition the unit can be set up as a CO2 reactor by connecting a carbon dioxide source, and the unit is a reactor that will mix the carbon dioxide with water in the reaction chamber produces an ultra-fine bubble for maximum saturation and then dispersed in the aquarium.